A Local College Newsletter Reported That The Average American College Student Spends One Hour 60 Minutes On A Social M 1 (46.13 KiB) Viewed 20 times
A local college newsletter reported that the average American college student spends one hour (60 minutes) on a social media website daily. But you won if there is a difference between males and females. Attached below is a sample of 60 users of the website (30 males and 30 females) and their recorded d time spent on the website. Complete (a) and (b) below. Click the icon to view the sample times. students. Determine the hypotheses. Choose the correct answer below. ОА. НО НА 212 H:H1 H2 OC. HOP SH2 H1:11 H2 OB. Ho-H4+H2 H: 11 = H2 OD. HOV=H2 H:H *12 Determine the test statistic. ESTAT (Round to two decimal places as needed.) Find the p-value. p-value = (Round to three decimal places as needed.) Choose the correct conclusion below. O A. Do not reject Ho. There is sufficient evidence that the means differ. OB. Reject Ho. There is insufficient evidence that the means differ. OC. Do not reject Ho. There is insufficient evidence that the means differ. OD. Reject Ho. There is sufficient evidence that the means differ. b. In addition to equal variances, what other assumption is necessary in (a)? O A. In addition to equal variances, it must be assumed that the sample means are equal. O B. In addition to equal variances, it must be assumed that the population sizes are equal. OC. In addition to equal variances, no other assumptions must be made because the sample sizes are large enough (230 for each sample). OD. In addition to equal variances, it must be assumed that the samples are specifically chosen and not independently sampled.
n 210 270 270 210 45 30 120 90 Daily time spent (in minutes) on the website for 30 males 210 960 60 30 10 5 690 270 60 210 210 60 120 270 30 150 30 60 45 180 60 15 Daily time spent (in minutes) on the website for 30 females 45 75 30 45 15 120 90 120 150 10 100 60 60 60 240 120 30 30 45 120 60 15 60 180 60 10 90 210 120 45
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