Question

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1. If Bob scored a 75 on a test with a mean of 75, what would his z-score be?

Answer 1

Answer:

the z score is 25

Step-by-step explanation:

since 75 needs 25 more for and 100%

Answer 2

The z-score of Bob if he scored 75 on a test that has a mean of 75 is: z-score = 0.

What is the Z-score?

The z-score = (raw score - mean score)/standard deviation.

A z-score of 0 means the raw score is exactly average.

For a raw score of 75, where the average(mean) is 75, the z-score would definitely be 0.

Thus, Bob's z-score is 0.

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