18. Renata took 9 quizzes in German class. Her scores, in order, were 6, 7, 7, 6, 8, 7, 8, 10, and 9. She discovered a scoring error on the 9th quiz, and her score on that quiz was corrected to 10. Which of the following measures of central tendency changed as a result of the correction?

I.Mean

II.Median

III.Mode

Answer and Explanation

Your Answer is

Correct Answer is F

Explanation

The ninth number is changed from 9 to 10, so the average will increase; the median is still 7, unchanged; the mode is still 7, unchanged. So choose F