Consider a value to be significantly low is 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...

Consider a value to be significantly low is 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 21.4 and the standard deviation was 4.8. Identify the test scores that are significantly low or significantly high.