Scores on Ms. Bond's test have a mean of 70 and a standard deviation of 11 . Michelle has a score of 48 . Convert Michelle's score to a z-score. (Round to two decimal places if necessary.)
a. 2
b. 41.64
c. –2
d. 1.33
c
RATIONALE: z-score = (sample – mean)/standard deviation (48 – 70)/11 = –2
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