# Testing for Relationships using StatCrunch

I have attached the data set for StatCrunch and just need the following questions answered to add to my Bio Statistics project.

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Question 20.05 pts

DESCRIPTIVE ANALYSIS: PREVIOUS HEART SURGERY

What is the level of measurement?

Ratio

Nominal

Interval

Ordinal

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Question 30.1 pts

DESCRIPTIVE ANALYSIS: PREVIOUS HEART SURGERY

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Percentages

Frequencies

Measures of central location

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Question 40.1 pts

DESCRIPTIVE ANALYSIS: PREVIOUS HEART SURGERY

What graphic display(s) should be used to evaluate this variable? SELECT ALL THAT APPLY

Scatterplot

Histogram

Box plot

Bar chart

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Question 50.1 pts

DESCRIPTIVE ANALYSIS: PREVIOUS HEART SURGERY

The test for normality demonstrates that

This variable is not normally distributed.

This variable should not be evaluated for a normal distribution.

This variable is normally distributed.

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Question 60.1 pts

DESCRIPTIVE ANALYSIS: PREVIOUS HEART SURGERY

Are there outliers in the data for this variable?

This variable should not be evaluated for outliers

No

Yes

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Question 70.1 pts

DESCRIPTIVE ANALYSIS: PREVIOUS HEART SURGERY

Which of the following would be the best descriptive statistic(s) to describe this variable?

There are multiple modes for previous heart surgery

The median of previous open heart surgery is 1.5

50% of the participants had previous open heart surgery

The mean of previous heart surgery is 1.5

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Question 80.1 pts

DESCRIPTIVE ANALYSIS: ATRIAL FIBRILLATION

What is the level of measurement?

Ratio

Ordinal

Interval

Nominal

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Question 90.1 pts

DESCRIPTIVE ANALYSIS: ATRIAL FIBRILLATION

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Measures of central location

Frequencies

Cumulative frequencies

Cumulative percentages

Percentages

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Question 100.1 pts

DESCRIPTIVE ANALYSIS: ATRIAL FIBRILLATION

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Bar chart

Histogram

Box plot

Scatterplot

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Question 110.1 pts

DESCRIPTIVE ANALYSIS: ATRIAL FIBRILLATION

The test for normality demonstrates that

This variable should not be evaluated for a normal distribution.

This variable is not normally distributed

This variable is normally distributed.

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Question 120.1 pts

DESCRIPTIVE ANALYSIS: ATRIAL FIBRILLATION

Are there outliers in the data for this variable?

This variable should not be evaluated for outliers

Yes

No

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Question 130.1 pts

DESCRIPTIVE ANALYSIS: ATRIAL FIBRILLATION

Which of the following would be the best descriptive statistic(s) to describe this variable?

40% of the sample has atrial fibrillation

The median is 2

The mode is 2

The mean for atrial fibrillation is 1.6

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Question 140.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between PREVIOUS HEART SURGERY and ATRIAL FIBRILLATION?

What statistical test should be used to perform this analysis?

Spearman correlation coefficient

A Fisher exact test

Linear regression

An independent t-test

A one-way analysis of variance

A Person correlation coefficient

A paired t-test

A Mann-Whitney test

Chi-square analysis

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Question 150.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PREVIOUS HEART SURGERY and ATRIAL FIBRILLATION?

Are the results of the analysis statistically significant?

Yes

No

Statistical significance cannot be determined by this analysis

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Question 160.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PREVIOUS HEART SURGERY and ATRIAL FIBRILLATION?

What graphic display(s) should be used to display the relationship between the two variables? SELECT ALL THAT APPLY

Grouped bar chart

Histogram

Scatterplot

Box plot

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Question 170.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PREVIOUS HEART SURGERY and ATRIAL FIBRILLATION?

What is the direction of the relationship?

Negative

Positive

Direction of the relationship cannot be determined by this analysis

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Question 180.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PREVIOUS HEART SURGERY and ATRIAL FIBRILLATION?

What is the strength of the relationship?

There is no relationship

Moderate

Strength of the relationship cannot be determined by this analysis

Strong

Weak

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Question 190.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between PREVIOUS HEART SURGERY and ATRIAL FIBRILLATION?

What decision should you make about the hypothesis test?

This decision cannot be determined by the information provided.

Reject the null hypothesis.

Fail to reject the null hypothesis.

Reject the alternative hypothesis.

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Question 200.1 pts

DESCRIPTIVE ANALYSIS: AGE

What is the level of measurement?

Nominal

Interval

Ratio

Ordinal

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Question 210.1 pts

DESCRIPTIVE ANALYSIS: AGE

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Frequencies

Measures of central location

Percentages

Flag this Question

Question 220.1 pts

DESCRIPTIVE ANALYSIS: AGE

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Scatterplot

Histogram

Box plot

Bar chart

Flag this Question

Question 230.1 pts

DESCRIPTIVE ANALYSIS: AGE

The test for normality demonstrates that

This variable should not be evaluated for a normal distribution.

This variable is not normally distributed

This variable is normally distributed.

Flag this Question

Question 240.1 pts

DESCRIPTIVE ANALYSIS: AGE

Are there outliers in the data for this variable?

Yes

This variable should not be evaluated for outliers

No

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Question 250.1 pts

DESCRIPTIVE ANALYSIS: AGE

Which of the following would be the best descriptive statistic(s) to describe this variable?

The median is 62.5

The mode is 62

The mean 64.7

The standard deviation is 10.2

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Question 260.1 pts

DESCRIPTIVE ANALYSIS: MINUTES OF PHYSICAL ACTIVITY

What is the level of measurement?

Nominal

Ratio

Ordinal

Interval

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Question 270.1 pts

DESCRIPTIVE ANALYSIS: MINUTES OF PHYSICAL ACTIVITY

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Frequencies

Percentages

Measures of central location

Flag this Question

Question 280.1 pts

DESCRIPTIVE ANALYSIS: MINUTES OF PHYSICAL ACTIVITY

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Histogram

Scatterplot

Box plot

Bar chart

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Question 290.1 pts

DESCRIPTIVE ANALYSIS: MINUTES OF PHYSICAL ACTIVITY

The test for normality demonstrates that

This variable should not be evaluated for a normal distribution.

This variable is not normally distributed.

This variable is normally distributed.

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Question 300.1 pts

DESCRIPTIVE ANALYSIS: MINUTES OF PHYSICAL ACTIVITY

Are there outliers in the data for this variable?

Yes

This variable should not be evaluated for outliers

No

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Question 310.1 pts

DESCRIPTIVE ANALYSIS: MINUTES OF PHYSICAL ACTIVITY

Which of the following would be the best descriptive statistic(s) to describe this variable?

The median is 82.5

All of the above

The mean 91.9

There are multiple modes

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Question 320.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between AGE and MINUTES OF PHYSICAL ACTIVITY?

What statistical test should be used to perform this analysis?

Linear regression

A Mann-Whitney test

A Person correlation coefficient

A paired t-test

An independent t-test

A Fisher exact test

A one-way analysis of variance

Chi-square analysis

Spearman correlation coefficient

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Question 330.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between AGE and MINUTES OF PHYSICAL ACTIVITY?

Are the results of the analysis statistically significant?

Statistical significance cannot be determined by this analysis

No

Yes

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Question 340.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between AGE and MINUTES OF PHYSICAL ACTIVITY?

What graphic display(s) should be used to display the relationship between the two variables? SELECT ALL THAT APPLY

Histogram

Box plot

Grouped bar chart

Scatterplot

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Question 350.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between AGE and MINUTES OF PHYSICAL ACTIVITY?

What is the direction of the relationship?

Positive

Direction of the relationship cannot be determined by this analysis

Negative

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Question 360.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between AGE and MINUTES OF PHYSICAL ACTIVITY?

What is the strength of the relationship?

Moderate

Strong

Strength of the relationship cannot be determined by this analysis

There is no relationship

Weak

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Question 370.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between AGE and MINUTES OF PHYSICAL ACTIVITY?

What decision should you make about the hypothesis test?

Fail to reject the null hypothesis

Reject the null hypothesis

This decision cannot be determined by the information provided

Reject the alternative hypothesis

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Question 380.1 pts

DESCRIPTIVE ANALYSIS: RACE

What is the level of measurement?

Ordinal

Interval

Nominal

Ratio

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Question 390.1 pts

DESCRIPTIVE ANALYSIS: RACE

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Measures of central location

Frequencies

Percentages

Flag this Question

Question 400.1 pts

DESCRIPTIVE ANALYSIS: RACE

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Histogram

Scatterplot

Bar chart

Box plot

Flag this Question

Question 410.1 pts

DESCRIPTIVE ANALYSIS: RACE

The test for normality demonstrates that

This variable is not normally distributed.

This variable is normally distributed.

This variable should not be evaluated for a normal distribution.

Flag this Question

Question 420.1 pts

DESCRIPTIVE ANALYSIS: RACE

Are there outliers in the data for this variable?

This variable should not be evaluated for outliers

Yes

No

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Question 430.1 pts

DESCRIPTIVE ANALYSIS: RACE

Which of the following would be the best descriptive statistic(s) to describe this variable?

The mean is 2

The median is 2

There are multiple modes

33.3% of the participants are African American

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Question 440.1 pts

DESCRIPTIVE ANALYSIS: HIP FRACTURE

What is the level of measurement?

Interval

Ordinal

Ratio

Nominal

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Question 450.1 pts

DESCRIPTIVE ANALYSIS: HIP FRACTURE

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Percentages

Frequencies

Measures of central location

Flag this Question

Question 460.1 pts

DESCRIPTIVE ANALYSIS: HIP FRACTURE

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Bar chart

Scatterplot

Histogram

Box plot

Flag this Question

Question 470.1 pts

DESCRIPTIVE ANALYSIS: HIP FRACTURE

The test for normality demonstrates that

This variable is not normally distributed.

This variable is normally distributed.

This variable should not be evaluated for a normal distribution.

Flag this Question

Question 480.1 pts

DESCRIPTIVE ANALYSIS: HIP FRACTURE

Are there outliers in the data for this variable?

This variable should not be evaluated for outliers

Yes

No

Flag this Question

Question 490.1 pts

DESCRIPTIVE ANALYSIS: HIP FRACTURE

Which of the following would be the best descriptive statistic(s) to describe this variable?

30% of the participants had a hip fracture

The mean 1.7

The mode is 2

The median is 2

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Question 500.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between RACE and HIP FRACTURE?

What statistical test should be used to perform this analysis?

A paired t-test

A Mann-Whitney test

Linear regression

A Fisher exact test

Chi-square analysis

A one-way analysis of variance

An independent t-test

A Person correlation coefficient

Spearman correlation coefficient

Flag this Question

Question 510.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between RACE and HIP FRACTURE?

Are the results of the analysis statistically significant?

Statistical significance cannot be determined by this analysis

Yes

No

Flag this Question

Question 520.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between RACE and HIP FRACTURE?

What graphic display(s) should be used to display the relationship between the two variables? SELECT ALL THAT APPLY

Histogram

Grouped bar chart

Scatterplot

Box plot

Flag this Question

Question 530.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between RACE and HIP FRACTURE?

What is the direction of the relationship?

Direction of the relationship cannot be determined by this analysis

Positive

Negative

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Question 540.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between RACE and HIP FRACTURE?

What is the strength of the relationship?

Weak

Strength of the relationship cannot be determined by this analysis

Strong

Moderate

There is no relationship

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Question 550.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between RACE and HIP FRACTURE?

What decision should you make about the hypothesis test?

The decision cannot be determined by the information provided

Reject the alternative hypothesis

Fail to reject the null hypothesis

Reject the null hypothesis

Flag this Question

Question 560.1 pts

DESCRIPTIVE ANALYSIS: PAIN

What is the level of measurement?

Ratio

Nominal

Ordinal

Interval

Flag this Question

Question 570.1 pts

DESCRIPTIVE ANALYSIS: PAIN

What descriptive statistic(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Frequencies

Percentages

Measures of central location

Flag this Question

Question 580.1 pts

DESCRIPTIVE ANALYSIS: PAIN

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Scatterplot

Bar chart

Box plot

Histogram

Flag this Question

Question 590.1 pts

DESCRIPTIVE ANALYSIS: PAIN

The test for normality demonstrates that

This variable should not be evaluated for a normal distribution.

This variable is normally distributed.

This variable is not normally distributed.

Flag this Question

Question 600.1 pts

DESCRIPTIVE ANALYSIS: PAIN

Are there outliers in the data for this variable?

Yes

No

This variable should not be evaluated for outliers

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Question 610.1 pts

DESCRIPTIVE ANALYSIS: PAIN

Which of the following would be the best descriptive statistic(s) to describe this variable?

The cumulative percentage of scores of 5 or less is 66.7%

The IQR is 3

The range is 8

The mean 4.4

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Question 620.1 pts

DESCRIPTIVE ANALYSIS: FUNCTIONALITY

What is the level of measurement?

Interval

Ratio

Nominal

Ordinal

Flag this Question

Question 630.1 pts

DESCRIPTIVE ANALYSIS: FUNCTIONALITY

What descriptive statistic(s) should be used to evaluate this variable?   SELECT ALL THAT APPLY

Percentages

Frequencies

Measures of central location

Flag this Question

Question 640.1 pts

DESCRIPTIVE ANALYSIS: FUNCTIONALITY

What graphic display(s) should be used to evaluate this variable?  SELECT ALL THAT APPLY

Histogram

Box plot

Scatterplot

Bar chart

Flag this Question

Question 650.1 pts

DESCRIPTIVE ANALYSIS: FUNCTIONALITY

The test for normality demonstrates that

This variable should not be evaluated for a normal distribution.

This variable is normally distributed.

This variable is not normally distributed.

Flag this Question

Question 660.1 pts

DESCRIPTIVE ANALYSIS: FUNCTIONALITY

Are there outliers in the data for this variable?

No

This variable should not be evaluated for outliers

Yes

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Question 670.1 pts

DESCRIPTIVE ANALYSIS: FUNCTIONALITY

Which of the following would be the best descriptive statistic(s) to describe this variable?

The mean 3.9

The maximum is 6

The range is 5

The cumulative percentage of scores of 3 or less is 40%

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Question 680.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between PAIN and FUNCTIONALITY?

What statistical test should be used to perform this analysis?

A Fisher exact test

An independent t-test

Linear regression

A paired t-test

A Person correlation coefficient

A Mann-Whitney test

A one-way analysis of variance

Chi-square analysis

Spearman correlation coefficient

Flag this Question

Question 690.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PAIN and FUNCTIONALITY?

Are the results of the analysis statistically significant?

Statistical significance cannot be determined by this analysis

Yes

No

Flag this Question

Question 700.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PAIN and FUNCTIONALITY?

What graphic display(s) should be used to display the relationship between the two variables? SELECT ALL THAT APPLY

Scatterplot

Grouped bar chart

Histogram

Box plot

Flag this Question

Question 710.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PAIN and FUNCTIONALITY?

What is the direction of the relationship?

Positive

Direction of the relationship cannot be determined by this analysis

Negative

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Question 720.1 pts

INFERENTIAL ANALYSIS: Is there a relationship between PAIN and FUNCTIONALITY?

What is the strength of the relationship?

Moderate

Strength of the relationship cannot be determined by this analysis

Weak

Strong

There is no relationship

Flag this Question

Question 730.2 pts

INFERENTIAL ANALYSIS: Is there a relationship between PAIN and FUNCTIONALITY?

What decision should you make about the hypothesis test?