Question

need help answering these questions please

Consider a value to be significantly low if its z score less than or equal to -2 or consider a value to be significantly high if its z score is greater than or equal to 2. A test is used to assess readiness for college. In a recent year, the mean test score was 19.9 and the standard deviation was 4.8. Identify the test scores that are significantly low or significantly high. What test scores are significantly low? Select the correct answer below and fill in the answer box(es) to complete your choice. O A. Test scores that are less than (Round to one decimal place as needed OB. Test scores that are between and (Round to one decimal place as needed. Use ascending order) O C. Test scores that are greater than (Round to one decimal place as needed) What test scores are significantly high? Select the correct answer below and fill in the answer box(es) to complete your choice O A Test scores that are between and (Round to one decimal place as needed Use ascending order) OB. Test scores that are greater than (Round to one decimal place as needed OC Test scores that are less than (Round to one decimal place as needed

Answer 1

Qus: Choose the correct option and fill in the blank

Solution

=> x-19.9 72 4.8 X-19.9 7 2x4 -8 X-19.92 9.6 x7 19.949.6 29.5 2.9.5 are test score that are greater consider to le fighificantly therefore option 'B' is corred bigh