Normal Curve

Front

What is the center measure of the Normal Curve?

Back

Mean

Front

What is the standard deviation in a Normal distribution?

Back

A measure of the amount of variation or dispersion of a set of values.

Front

In a Normal distribution, what does the area under the curve represent?

Back

The total probability of all outcomes, which equals 1.

Front

What is the shape of the Normal Curve?

Back

Symmetrical and bell-shaped.

Front

What percentage of data falls within one standard deviation of the mean in a Normal distribution?

Back

Approximately 68%.

Front

What percentage of data falls within two standard deviations of the mean in a Normal distribution?

Back

Approximately 95%.

Front

What percentage of data falls within three standard deviations of the mean in a Normal distribution?

Back

Approximately 99.7%.

Front

What does it mean if a distribution is skewed?

Back

It is not symmetrical and has a longer tail on one side.

Front

What is the relationship between mean, median, and mode in a Normal distribution?

Back

They are all equal.

Front

What does a z-score represent in a Normal distribution?

Back

The number of standard deviations a data point is from the mean.