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## The scores on a psychology exam were normally distributed with a mean of 69 and a standard deviation of 4. What is the standard score for an

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The scores on a psychology exam were normally distributed with a mean of 69 and a standard deviation of 4. What is the standard score for an exam score of 68?

The standard score is ?

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Mathematics
2 months
2021-07-24T00:12:44+00:00
2021-07-24T00:12:44+00:00 1 Answers
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## Answers ( )

Answer:

0.25

Step-by-step explanation:

Given that :

Mean score, μ = 69

Standard deviation, σ = 4

Score, x = 64

The standardized score, Zscore can be obtained using the formular :

Zscore = (x – μ) / σ

Zscore = (69 – 68) / 4

Zscore = 1 / 4

Zscore = 0.25