zwilliams0000 zwilliams0000

23-02-2020
Mathematics

contestada

if a student scored 78 points on a test where the mean score was 84.5 and the standard deviation was 3.1. the student's z score is

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katiebugx93 katiebugx93

23-02-2020

Answer:

(number - mean)/standard deviation.

Plug in the 78 for the number, the 84.5 for the mean, the 3.1 for the standard deviation.

Step-by-step explanation:

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