could anyone help me with the wrong answers? Thanks
Application Exercise. Solaray Pills were advertised as having 749 mg of vitamin C per pill. A marketing firm hypothesizes that the amount of vitamin C is not what is advertised. What can be concluded with a = 0.05. The vitamin C content per pill from a sample of pills is as follows: 701, 761, 716, 721, 751, 721, 711, 741. a) What is the appropriate test statistic? One-Sample t-test b) Population: Solaray Pills Sample: sample of pills v c) Obtain/compute the appropriate values to make a decision about Ho. Critical Value = -2.3646 Test Statistic = -2.8639 Decision: |Reject HO v d) If appropriate, compute the CI. If not appropriate, input "na" for both spaces below. [ 710.4332 X , 745.3168 x ] e) Compute the corresponding effect size(s) and indicate magnitude(s). If not appropriate, input and/or select "na" below. d = 1.0126 X ; Magnitude: large effect v 12 = 0.5395 ; Magnitude: large effect v f) Make an interpretation based on the results. The amount of vitamin C in Solaray Pills is significantly more than the advertised claim. The amount of vitamin C in Solaray Pills is significantly less than the advertised claim. The amount of vitamin C in Solaray Pills is not significantly different than the advertised claim.For each of the following sets of results, compute the appropriate test statistic, test the indicated alternative hypothesis, and compute the effects size(s) indicating their magnitude: set hypothesis Ho n U # HO 101.2 99.7 3.4 20 0.05 b) H > HO 18.3 20.6 7.5 21 0.01 C H = HO 54.7 56 8.1 25 0.10 a) Compute the appropriate test statistic(s) to make a decision about Ho. critical value = 2.093 ; test statistic = 1.9730 Decision: Fail to reject HO v Compute the corresponding effect size(s) and indicate magnitude(s). d = 0.4412 ; Magnitude: |small effect v / v /2 = 0.1700 ; Magnitude: medium effect b) Compute the appropriate test statistic(s) to make a decision about Ho. critical value = 2.528 ; test statistic = -1.405 Decision: Fail to reject HO v Compute the corresponding effect size(s) and indicate magnitude(s). d = -0.3067 ; Magnitude: |small effect v v 72 = 0.1700 X ; Magnitude: small effect v x
