At a = 0.05 level of significance, test to see if the variance of the Internationl customers is significantly more than the variance of  Domestic Customers.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2AGP
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The finance officer of a bank believes that the variance of the deposits of domestic customers is more than the variance of International customers. Below you are given the results of samples taken from domestic and International customers.

 

Customers

Domestic

International

s

155

95

n

25

20

 

At a = 0.05 level of significance, test to see if the variance of the Internationl customers is significantly more than the variance of  Domestic Customers.

 

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