BzyBooks 10/02 22 18:25 1374792 CHALLENGE ACTIVITY 5.2.2: Excel: Hypothesis test for a population mean. Tosin Adebayo MAT-240-J1619-OL-TRAD-UG.22EW Click this link to download the spreadsheet for use in this activity. 424754 2749384.qx 3x447 Start Use Sheet 1 of the Excel #le to answer the following questions. A school administrator believes that the mean class GPAs for a given course are higher than mean of 2.75 at a signitcance level of 0).05, and checks a randomly chosen sample of 50 cl histogram, and calculate , the estatistic, and the p-value. From the histogram, can normality be assumed? T = Ex: 1.234 t =