Normal Distribution and Empirical Rule Flashcard

Front

What is the average value of a dataset called?

Back

Mean

Front

What is the shape of a normal distribution?

Back

Bell-shaped

Front

What is the symbol used to represent the mean in statistics?

Back

μ

Front

In a normal distribution, what percentage of data falls within three standard deviations of the mean according to the 68-95-99.7 rule?

Back

99.7%

Front

According to the 68-95-99.7 rule, what percentage of data falls within one standard deviation of the mean in a normal distribution?

Back

68%

Front

What is the term for the distance between the mean and a data point in a normal distribution?

Back

Standard deviation

Front

What does the empirical rule state about data in a normal distribution?

Back

Approximately 68% falls within one standard deviation, 95% within two, and 99.7% within three.

Front

What is the median in a dataset?

Back

The middle value when the data is ordered.

Front

What is the mode in a dataset?

Back

The value that appears most frequently.

Front

What is the range of a dataset?

Back

The difference between the maximum and minimum values.