Mean, median, mode, range review

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 count of numbers.

Front

How do you find the median of a data set?

Back

To find the median, arrange the numbers in ascending order and identify the middle number. 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.

Front

How do you calculate the range of a data set?

Back

The range is calculated by subtracting the smallest number from the largest number in the data set.

Front

What is an outlier in a data set?

Back

An outlier is a value that is significantly higher or lower than the other values in a data set.

Front

If the range of a data set is 32 and the largest number is 50, what is the smallest number?

Back

The smallest number is 18.

Front

What is the mean of the ages: 17, 9, 11, 7?

Back

The mean is 11.

Front

Find the mode of the data set: 29, 22, 19, 20, 29, 23, 29, 19, 31.

Back

The mode is 29.

Front

If the mean of the data set is 18, what number is missing in: 21, 11, _, 27, 22, 13, 16?

Back

The missing number is 16.

Front

Identify the outlier in the data set: 29, 2, 28, 30, 26, 31.

Back

The outlier is 2.