Mean, Median, Mode, Range, Outliers

Front

What is the mean?

Back

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

Front

What is the median?

Back

The median is the middle value in a list of numbers arranged in ascending order. If there is an even number of values, the median is the average of the two middle numbers.

Front

What is the mode?

Back

The mode is the number that appears most frequently in a data set.

Front

What is the range?

Back

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

Front

What is an outlier?

Back

An outlier is a value in a data set that is significantly different from the others, often much higher or lower.

Front

Find the mean of the following numbers: 5, 10, 15, 20, 25.

Back

Mean = (5 + 10 + 15 + 20 + 25) / 5 = 15.

Front

Find the median from the list of numbers: 60, 58, 52, 48, 60, 67.

Back

Median = 59.

Front

Find the mode of the following numbers: 2, 3, 4, 4, 5, 5, 5, 6.

Back

Mode = 5.

Front

Calculate the range of the following data set: 10, 20, 30, 40, 50.

Back

Range = 50 - 10 = 40.

Front

Identify the outlier in the following data: 23, 34, 27, 7, 30, 26, 28, 31, 34.

Back

Outlier = 7.