Grades for Kiara 1 X Do Homework - ( X Q chegg login - Sea x Q course hero - Sea X * Course Hero | Ma X Q course hero logit X Dashboard X + X C https://mylab.pearson.com/Student/PlayerHomework.aspx?homeworkld=6366035018questionld=9&flushed=false&cld =7036947&back=DoAssignmen... A" Biostatistics for Graduate Students kiara tarleton 10/06/22 6:20 PM E Homework: Chapter 9 Question 8, 9.4.5-T HW Score: 21.78%, 19.6 of 90 points Part 2 of 4 Points: 2.5 of 10 Save Researchers conducted an experiment to test the effects of alcohol. Errors were recorded in a test of visual and motor skills for a treatment group of 21 people who drank Question list K ethanol and another group of 21 people given a placebo. The errors for the treatment group have a standard deviation of 2.30, and the errors for the placebo group have a standard deviation of 0.75. Use a 0.05 significance level to test the claim that the treatment group has errors that vary significantly more than the errors of the placebo group. Assume that the two populations are normally distributed. Question 1 What are the null and alternative hypotheses? Question 2 OA. Ho: 07# B. Ho: 01 + H1: 09 = 02 H1: 09 702 Question 3 OC. Ho: 07 = 02 OD. Ho: 07 2 H1 : 09 Question 4 Identify the test statistic. Question 5 (Round to two decimal places as needed.) Question 6 Help me solve this View an example Get more help - Clear all Check answer O 6:20 PM Sunny 10/6/2022