Consider a value to be significantly low if it's z score less than or equal to -2 or consider a value to be significantally high if it's z score is greater than or equal to 2.
A test is used to assess readiness for college. In recent year, the mean test score was 22.8 and the standard deviation was 5.3. Identify the test scores that are significantly low or significantly high.
What test scores are significantly low?
What test scores are significantly high?
(Please help me with what is getting plugged into the formula, I don't understand) like please write steps if possible so I can understand this question
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Z-score less than or equal to -2 or consider a value significant high for its z score
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