Mean, Median, Mode, Range, Outlier

Front

What is the mean of a data set?

Back

The mean is the average of a set of numbers, calculated by adding all the numbers together and dividing by the total count of numbers.

Front

What is the median of a data set?

Back

The median is the middle number in an ordered set of data. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode of a data set?

Back

The mode is the number that appears most frequently in a data set. A data set may have one mode, more than one mode, or no mode at all.

Front

What is the range of a data set?

Back

The range is the difference between the highest and lowest values in a data set.

Front

What is an outlier in a data set?

Back

An outlier is a value that is much greater or much less than the other values in a data set, which can skew the results.

Front

Find the mode of the data set: 14, 20, 16, 14, 18, 20, 19, 13, 15, 17.

Back

Both 14 and 20.

Front

Find the outlier of the data set: 15, 20, 18, 35, 17, 35, 13.

Back

No outlier.

Front

Find the median of the data: 20, 30, 45, 90, 60, 45, 5, 10, 30, 45, 15, 25.

Back

30.

Front

The middle number of an ordered set of data is called what?

Back

Median.

Front

What is the formula to calculate the mean?

Back

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