Question
In: Statistics and Probability
The following datagive the prices of seven textbooks randomly selected from auniversity bookstore.$86...
The following data give the prices of seven textbooks randomly selected from a university bookstore.
$86 | $174 | $109 | $119 | $59 | $155 | $145 |
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 $174 =
Sum of these deviations =
b.Calculate the range, variance, and standard deviation. [Round your answers to 2 decimal places.]
Range =
Variance =
Standard deviation =
Solutions
Expert Solution
a) sum of these deviations zero?
No
Mean =121
Deviation from the mean for $174 =|121-174 |=53
Sum of these deviations =222
b) range = 174-59= 115
orchestra answered 3 years agoRelated Solutions
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