QUESTIONS: 1. 1What is the greatest value of tan ratio? IWhy do you say so? 2. A company collects data on the lengths of telephone calls made by employees in two different divisions. The mean and standard deviation for the sales division are 10.25 and 8.55, respectively. The mean and standard deviation for the shipping and receiving division are 6.93 and 4.93, respectively. A hypothesis test was run, and the computer output follows. Degrees of freedom 2 56 Test statistic t: 1.39556 Critical value t = EDDIE? EGGS? P-value = UEEl? Significance level: {1.135 1. Are the samples independent or dependent? 2. Which number from the output is compared to the significance level to check if the null hypothesis should he reiected? 3. Which number from the output is compared to the critical value to check if the null hypothesis should he rejected? 4. How many samples were there in the study? 5. What would your conclusions be if the level of significance were initially set at 0.1!]