(Solved by Humans)-A problem with a telephone line that prevents a customer from
Question
A problem with a telephone line that prevents a customer from receiving or making calls is disconcerting to both the customer and the telephone company. The data on samples of 20 problems reported to two different offices of a telephone company and the time to clear these problems (in minutes) from the customers? lines are collected. Below is the Excel output to see whether there is evidence of a difference in the mean waiting time between the two offices assuming that the population variances in the two offices are not equal.
Referring to Table 10-14, suppose???= 0.05. Which of the following represents the correct conclusion?
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