M Inbox (73) - Ipearl@communityp x | Home * |De1 5-2 Challenge Activities: Mean H x zy Section 5.2 - MAT 240: Applied S @ @ learn.zybooks.com/zybook/MAT-240-15406-OL-TRAD-UG.22EW5/chapter/5/section/2 zyBooks My library > MAT 240: Applied Statistics home > 5.2: Hypothesis test for a population mean zyBooks catalog ? Help/FAQ @ Kristin Segovia Course Hero x > > Broke Athletes 4 x + -> C @ iheart.com/podcast/471-brother-wease-show-28229881/ Using the ExamScores dataset, a teacher found that the mean score for Exam2 is 79.4, which is below the expected mean of 83. iHeart Upgrade For You Your Library More v At the a = 0.05 significance level, does sufficient evidence exist that the mean score of the class is lower than the expected search mean? Use the output below. Mean 79.4 Final Countdown Slippery When Wet June 3, 2022 . 14 min Station Variance 205.4286 Observations 50 Jack Harlow Hypothesized Mean 83 Broke Athletes 11 Artist df June 3, 2022 . 10 min t Stat 1.77606 Five Finger Death Pu.. P(T 83 3) What is the p-value? O O 0.082 O 0.041 4) What is the conclusion for the t-test? 0 O Reject Ho O Fail to reject Ho Feedback? 9 10:21 AM 5/3/2022 Type here to search NASDAQ 100 -1.59% ~ 4) 6/3/202