G webassign.net Webassign 5. [-/1 Points] DETAILS 63 251 Ch.10 - Math 251, section 003, Fall 2021 | WebAssign OSINTROBUSSTAT1 12.1.011.PR. G Explain the composition and characteristics of the two most MY NOTES ASK Two students are interested in whether or not there is variation in their test scores for math class. There are 15 total math tests they have taken so far. The first student's grades have a standard deviation of 38.2. The second student's grades have deviation of 22.5. The second student thinks his scores are lower. What is the F Statistic? (Round your answer to two decimal places.) Additional Materials eBook 6. [-/1 Points] DETAILS OSINTROBUSSTAT1 12.1.060.HW. MY NOTES ASK YOUR TEACHER PRAC You may need to use the appropriate technology to answer this question. Are the variances for incomes on the East Coast and the West Coast the same? Suppose that the table below shows the results of a study. Income is shown in thousands of dollars. Assume that both distributions are normal. Use a level of significance East West 37 70 46 127 29 43 81 52 74 45 51 91 114 89 66 State the null and alternative hypotheses (in (thousands of dollars) ). (Let 1 and 2 be the subscripts that indicate the East Coast and West Coast groups, respectively. Enter != for # as needed.) Ha 1 What is the test statistic? (Let the larger sample variance be the numerator. Round your answer to two decimal places.) What is the right-tailed critical value? (Round your answer to two decimal places.) MacBook Air