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 in the set from the largest number.

Front

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

Back

18

Front

What is the formula to calculate the mean?

Back

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

Front

If Sally's bowling scores are 108, 72, and 95, what score does she need to average 91 after a fourth game?

Back

89

Front

What is the median of the data set: 17, 35, 20, 18, 29, 26?

Back

23

Front

What is the mode of the data set: 29, 22, 19, 20, 29, 23, 29, 19, 31?

Back

29

Front

What does it mean if a data set has no mode?

Back

It means that no number appears more than once in the data set.