4. QUESTION To compare customer satisfaction levels of two competing internet service provider companies, 174 customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to rate their internet service provider companies on a five-point scale, with 1 being least satisfied and 5 most satisfied. The survey results are summarized in the following table: Company 1 Company 2 n = 174 n2 = 355 x, = 3.51 X2 = 3.24 S1 = 0.51 S2 = 0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence to conclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternative hypothesis, Test statistic, Critical value, Decision with reason, Interpretation). 4.2 Calculate the corresponding p-value
4. QUESTION To compare customer satisfaction levels of two competing internet service provider companies, 174 customers of Company 1 and 355 customers of Company 2 were randomly selected and asked to rate their internet service provider companies on a five-point scale, with 1 being least satisfied and 5 most satisfied. The survey results are summarized in the following table: Company 1 Company 2 n = 174 n2 = 355 x, = 3.51 X2 = 3.24 S1 = 0.51 S2 = 0.52 4.1 Test at the 1% level of significance whether there is sufficient evidence to conclude that Company 1 has a higher mean satisfaction rating than does Company 2. (Ensure you use the following steps: Null hypothesis, Alternative hypothesis, Test statistic, Critical value, Decision with reason, Interpretation). 4.2 Calculate the corresponding p-value
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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