Question

1.05. To compare the customer satisfaction levels of two competing cable television companies, customers from company 1 and company 2 were randomly selected and asked to rate their cable companies on a scale from 1 to 10, with 1 being the least satisfied and 10 the most satisfied. The following summary data is presented based on a survey.

Companies	Sample Size	Sample Mean	Sample Standard Deviation
Company 1	273	7.21	1.34
Company2	256	7.44	1.29

Test the hypothesis that both means are equal each other at 5% significance level.

Calculate P-Value.

Answer 1