Finding Z - Score

Front

What is the formula for finding z-scores?

Back

Front

What does a positive z-score indicate?

Back

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

Front

What does a negative z-score indicate?

Back

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

Front

How do you calculate the z-score for a given value?

Back

Front

If the mean is 45 and the standard deviation is 2.1, what is the z-score for x = 50?

Back

Front

If the mean is 27 and the standard deviation is 1.4, what is the z-score for x = 11?

Back

Front

If the mean is 21 and the standard deviation is 1.3, what is the z-score for x = 22?

Back

Front

What is the significance of the z-score in statistics?

Back

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

Front

True or False: The sign of the z-score indicates whether the location is above (positive) or below (negative) the mean.

Back

True.

Front

What is the mean in the context of z-scores?

Back

The mean (\mu) is the average of all data points in a dataset.