n a random sample of 9 cell​ phones, the mean full retail price was ​$523.90 and the standard deviation was ​$189.00 Further research suggests that the population mean is ​$432.24 Does the​ t-value for the original sample fall between −t 0.95 and t 0.95​? Assume that the population of full retail prices for cell phones is normally distributed.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
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Chapter1: Starting With Matlab
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n a random sample of

9

cell​ phones, the mean full retail price was

​$523.90

and the standard deviation was

​$189.00

Further research suggests that the population mean is

​$432.24

Does the​ t-value for the original sample fall between

−t 0.95

and

t 0.95​?

Assume that the population of full retail prices for cell phones is normally distributed.

 

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