Stats Intro - mean, median, mode, bell curve

Front

What is the mean?

Back

The average of a set of numbers.

Front

What is the median?

Back

The middle number in a sorted list of numbers.

Front

What is the mode?

Back

The number that appears most frequently in a data set.

Front

What is a bell curve?

Back

A graph depicting a normal distribution, where most values cluster around the mean.

Front

In a normal distribution, what percent of data falls within one standard deviation of the mean?

Back

68%.

Front

In a normal distribution, what percent of data falls within two standard deviations of the mean?

Back

95%.

Front

In a normal distribution, what percent of data falls within three standard deviations of the mean?

Back

99.7%.

Front

Find the mean of this data set: 2, 57, 38, 42, 6

Back

29.

Front

Find the median of this data set: 4, 2, 7, 4, 3

Back

4.

Front

What is the formula for calculating the mean?

Back

Mean = (Sum of all values) / (Number of values).