HW 10.4 Score: 0/27 0/13 answered O Question 4 Weights before (lbs) 164 179 174 170 168 Weights after (lbs) 150 148 148 146 144 To test the claim that on average men lost weight on a long mountaineering expedition, which test should you choose? Assume that weights follow a normal distribution. O Paired T-test for dependent means O Z-Test for independent means O T-Test for independent means O Z-Test for proportions0 Question 5 v You are doing a T-test and get a Standardized Test Statistic (STE) of T = {1.6, with d. f. = 18. Round answers to 4 decimaLs. Find the P-value for a: a two tailed test : b. right tailed test : c. left tailed test : . Question 6 If you are testing a claim about the means of two dependent populations, choose the correct formula for the Standardized Test Statistic (STS): d - Hd OT = Vn OZ = + n1 12 OT = + P1 - P2 O Z = Pc ' Ic + Pc ' 9c 121 n2