Interpreting z-scores

Front

What is the purpose of z-scores?

Back

To describe the exact location of a score within a distribution.

Front

Calculate the z-score for a score of 23 in a dataset with a mean of 20 and a standard deviation of 3.

Back

Front

What is the value of the mean in a normal distribution if the graph indicates a mean of 52?

Back

52

Front

What is the z-score value corresponding to a location that is below the mean by 2 standard deviations?

Back

-2.00

Front

What is the value of the standard deviation in a normal distribution if the graph indicates a standard deviation of 6?

Back

6

Front

Define a z-score.

Back

A z-score indicates how many standard deviations a data point is from the mean of the dataset.

Front

What does a positive z-score indicate?

Back

A positive z-score indicates that the data point is above the mean.

Front

What does a negative z-score indicate?

Back

A negative z-score indicates that the data point is below the mean.

Front

If a data point has a z-score of 0, what does that mean?

Back

It means the data point is exactly at the mean of the distribution.

Front

How do you calculate a z-score?

Back