One method of grading tests that uses a normal curve gives students letter grades depending on the standard deviation in

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One Method Of Grading Tests That Uses A Normal Curve Gives Students Letter Grades Depending On The Standard Deviation In 1 (334.32 KiB) Viewed 18 times

One method of grading tests that uses a normal curve gives students letter grades depending on the standard deviation interval above or below the mean that contains their score: a grade of So Guides F for below 2 standard deviations D for 2 to 1 standard deviation C for-1 to +1 standard deviation B for +] to +2 standard deviation A for above +2 standard deviations In the following use this grading system and the fact that on a test given to 100 students the mean score was 80 and the standard deviation was 8. a. How many students received an F? students b. How many students received a grade below a B? students c. How many students received a grade above a D? students