The Following Data Give The Prices Of Seven Textbooks Randomly Selected From A U
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a. Find the mean for these data. Calculate the deviations of the data values from the mean. Is the sum of these deviations zero?
Mean = $
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The Following Data Give The Prices Of Seven Textbooks Randomly Selected From A U
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Deviation from the mean for $174 = $
Sum of these deviations = $
b. Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.]
Range = $
Variance =
Standard deviation = $
