12.1 Mean, Median, Mode, Range

Front

What is the median of a data set?

Back

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

Front

How do you calculate the mean of a data set?

Back

To calculate the mean, add all the numbers in the data set together and then divide by the total number of values.

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 find the range of a data set?

Back

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

Front

Given the data set 3, 17, 17, 11, 8, 13, 5, 18, what is the median?

Back

12

Front

Calculate the mean of the test scores: 75, 97, 92.

Back

88

Front

In the data set 10, 11, 8, 14, 12, 8, 4, 5, what is the mode?

Back

8

Front

What is the definition of range in statistics?

Back

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

Front

If a data set has the values 3, 4, 5, 5, 5, 6, 7, what is the range?

Back

4

Front

What is the difference between mean and median?

Back

Mean is the average of all values, while median is the middle value when arranged in order.