11. [-/1 Points] DETAILS MENDSTATC2 10.MC.022. MY NOTES ASK YOUR TEACHER Which of the following statements is false? a. OThe t distribution is symmetric about zero. b. OThe t distribution is more spread out than the standard normal distribution. c. OAs the degrees of freedom get smaller, the t distribution's dispersion gets smaller. d. OThe t distribution is mound-shaped. e. Oboth (b) and (c) Need Help? Read It 12. [-/1 Points] DETAILS MENDSTATC2 10.MC.020. MY NOTES ASK YOUR TEACHER In testing for differences between the means of two independent populations the null hypothesis is: a. O Ho : #1 - 12 = 2 b. O Ho : /1 - (2 > 0 c. O Ho : #1 - 12 > 2 d. O Ho : #1 - #2 > 1 e. O Ho : #1 - #2 = 0 Need Help? Read It 13. [-/4 Points] DETAILS MENDSTATC4 10.E.007.S. MY NOTES ASK YOUR TEACHER PRACTICE ANOTHER Find the following t-values in Table 4 of Appendix I or using SALT. (Round your answers to three decimal places.) LO USE SALT ) to.05 for 3 df to.05 = (b) to.025 for 9 of to.025 = (c) to.10 for 17 of to.10 = (d) to.025 for 33 df to.025 = Need Help? Read It