Question

1. Suppose that student’s z score is 3.00 what does this mean?
   1. discuss in terms of units of standard deviation

It means the value defined by z-score is 3 standard deviations away from the mean value.

2. Discuss in terms of its percentile score.

In terms of percentile score, its mean amount of data lies below the value. Z=3 represent the 99.87 the percentile.

4. How does this student’s z score differ from another student whose z score is -3.00

5. If another student received a test score that showed a z score of o, what does this mean

6. The scholastic aptitude test (SAT) total scores range from 400 to 1600 with a mean of 1020 and standard deviation of 194. What is the z score of the score of 1214? And what does this mean in terms of its percentile score.

Answer 1

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