A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $ 185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o $80.77 =
A department store accepts only its own credit card. Among 56 randomly selected card holders, it was found that the mean amount owed was $ 185.37. Use a a=0.05 level of significance to test the department store's claim that the mean amount owed by all card holders is greater than $180. Assume the population standard deviation is known to be o $80.77 =
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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