Test: AP Statistics

1.

In order to be considered a normal distribution, a data set (when graphed) must follow a bell-shaped symmetrical curve centered around the mean.

It must also adhere to the empirical rule that indicates the percentage of the data set that falls within (plus or minus) 1, 2 and 3 standard deviations of the mean. 

 

In order to be a normal distribution, what percentage of the data set must fall within:

1) 

2) 

3) 

1) 65

2) 98

3) 99.9

1) 65

2) 98

3) 99.7

1) 68

2) 95

3) 99.7

1) 68

2) 95

3) 98.7

1) 68

2) 95

3) 98

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