Section 3.3 Homework

3.  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 19.5 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.

1. Test scores that are less than ____
2. Test scores that are between___ and ____
3. Test scores that are greater than ___

What test scores are significantly​ high? Select the correct answer below and fill in the answer​ box(es) to complete your choice.

Test scores that are greater than ____

Test scores that are between ____ and _____

Test scores that are less than ____