Students monitor surveys 1200 undergraduates from 100 colleges semiannually to understand trends among college students. recently, the students monitor reported that theaverage amount of time spent per week on the internet was 19.0 hrs. assume that the standard deviation is 5.5 hours.
(a) give the mean and standard deviation in minutes.
(b)calculate the 95% confidence intervial in minutes from your answer
(c)explain how you could have directly calculated this intervial from the 95% that you calculated in the previous exercise

Students at a high school were asked about their favorite outdoor activity. the results are shown in the two-way frequency table below. fishing camping canoeing skiing total boys 36 44 13 25 118 girls 34 37 22 20 113 total 70 81 35 45 231 select all the statements that are true based on the given table. more girls chose camping as their favorite outdoor activity than boys. more girls chose canoeing as their favorite outdoor activity than those who chose skiing. more boys chose skiing as their favorite outdoor activity than girls. there were more boys surveyed than girls. twice as many students chose canoeing as their favorite outdoor activity than those who chose fishing. more students chose camping as their favorite outdoor activity than the combined number of students who chose canoeing or skiing.