The following data give the prices of seven textbooks randomly selected from a university bookstore. $88 $171 $103 $128 $58 $165 $141 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 = $ Deviation from the mean for $171 = $ Sum of these deviations = $ b. Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.] Range = $ Variance = Standard deviation = $

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Mann, Introductory Statistics, 9e
tice
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ORION
Downloadable eTextbook
ment
FUL
Chapter 03, Section 3.2, Problem 033
The following data give the prices of seven textbooks randomly selected from a university bookstore.
$88 $171 $103 $128 $58 $165 $141
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 = $
Deviation from the mean for $171 = $
Sum of these deviations = $
b. Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.]
Range = $
Variance =
Standard deviation = $
Transcribed Image Text:WileyP Mann, Introductory Statistics, 9e tice Assignment Gradebook ORION Downloadable eTextbook ment FUL Chapter 03, Section 3.2, Problem 033 The following data give the prices of seven textbooks randomly selected from a university bookstore. $88 $171 $103 $128 $58 $165 $141 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 = $ Deviation from the mean for $171 = $ Sum of these deviations = $ b. Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.] Range = $ Variance = Standard deviation = $
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