answer following questions

answer following questions
Math 10 Morriss Commute Time __________ ___________________ ____________________________________________ Pre – COVID, stat s students investigated commute times to campus among students and employees . S ome of their data: 1. What popula tion parameter did the students investigate? In which populations ? 2 . Does one group appear to have commute for a longer time, on average? I f so, which one? Either way, how did you decide? 3. Construct a 95% confidence interval for the difference in mean commute time between students and employees . 4 . Interpret the confidence interval with a sentence th at begins , “I’m 95% sure that…” 5 . Notice that the 95% confidence interval for the difference in means contains zero. C omment on the implications for any statistica l conclusions we mi ght make about the difference in mean commute times between students and employees. 6 . Construct and interpret a 9 0 % confidence interval for the difference in mean commute time between students and employees . What’s going on? __________ ___________________ ____________________________________________ Population Students Employees number of respondents 70 21 mean commute time (minutes) 23.7 16.2 standard deviation (minutes) 14.9 15.0