(End of ch questions Ch11Q8) please answer all questions in the image. Total of 7 answers needed. Answer options for Q7 is increased/decreases/does not affect. Please indicate which answer option best completes the sentence accurately.

Windows - Window Macros SharePoint 8. Gravetter/Wallnau/Forzano, Essentials - Chapter 11 - End-of-chapter question 16 A repeated-measures study with a sample of n = 6 participants produces a mean difference of Mp = 4 with SS= 30. Use a two-tailed hypothesis test with a = .05 to determine whether this sample provides evidence of a significant treatment effect. t-critical I Distribution Degrees of Freedom - 21 O -3.0 -2.0 -1.0 0.0 10 20 0.600 O Rejection of the null hypothesis; there is not a significant treatment effect. Failure to reject the null hypothesis; there is not a significant treatment effect. O Rejection of the null hypothesis; there is a significant treatment effect. OF Failure to reject the null hypothesis; there is a significant treatment effect. Now assume that the sample standard deviation is SS = 480 and repeat the hypothesis test. It-critical O Failure to reject the null hypothesis; there is not a significant treatment effect. Failure to reject the null hypothesis; there is a significant treatment effect. O Rejection of the null hypothesis; there is a significant treatment effect. O' Rejection of the null hypothesis, there is not a significant treatment effect. Explain how sample variability influences the likelihood of finding a significant mean difference. Low sample variability the likelihood of rejecting the null hypothesis if the null hypothesis is false