Mean, Median, Mode, and Range

What is the mean of the following numbers: 10, 20, 30, 40?

• 20

• 25

• 30

• 35

If a data set has an even number of values, how do you find the median?

• You find the median by averaging the two middle numbers after arranging the data in order.

• You find the median by selecting the highest value in the data set.

• You find the median by taking the first value in the data set.

• You find the median by counting the total number of values and dividing by two.

What is the mean in statistics?

• The mean is the middle value in a set of numbers.

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

• The mean is the largest number in a set of numbers.

• The mean is the difference between the highest and lowest values in a set of numbers.

How do you find the median of a set of numbers?

• Arrange the numbers in order and identify the middle number. If there is an even number of values, the median is the average of the two middle numbers.

• Add all the numbers together and divide by the total count.

• Select the largest number in the set as the median.

• Choose the smallest number in the set as the median.

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

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

• It means that all numbers appear with the same frequency.

• It means that the data set is empty.

• It means that the highest number is the mode.

How do you find the mode of the numbers 2, 3, 4, 4, 5, 5, 5?

• The mode is 4, as it appears most frequently.

• The mode is 2, as it appears most frequently.

• The mode is 5, as it appears most frequently.

• The mode is 3, as it appears most frequently.

What is the median of the following set: 3, 1, 4, 2?

• 2

• 2.5

• 3

• 1.5

What is the mode in a set of numbers?

• The average of the numbers in the set.

• The number that appears most frequently in a data set.

• The middle value when the numbers are arranged in order.

• The largest number in the set.

Which of the following is not a measure of center: mean, median, mode, or range?

• Mean

• Median

• Mode

• Range

What is the mode of the numbers 7, 8, 9, 7, 10, 7, 8?

• 7

• 8

• 9

• 10