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Scores on a test have a mean of 70 and a standard deviation of 11. Michelle has a score of 48. Convert Michelle’s score to z score.

Respuesta :

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Answer: -2

Step-by-step explanation:

Answer:

-2.

Step-by-step explanation:

The z-score = (x - m) / d      where x = individual score,  m = the mean and d = the standard deviation.

So the required value =  (48 - 70)  / 11

= -2 (answer).

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