Mean, Median, Mode Quiz

What is the formula to calculate the mean of a set of numbers?

• Sum of numbers divided by the count of numbers

• Sum of numbers divided by the difference of numbers

• Sum of numbers divided by the sum of numbers

• Sum of numbers multiplied by the count of numbers

Find the mean of the following set of numbers: 5, 8, 12, 15, 20

• 8

• 15

• 5

• 12

What is the definition of median?

• The median is the middle value of a set of numbers when they are arranged in order.

• The median is the lowest value in a set of numbers.

• The median is the highest value in a set of numbers.

• The median is the average of a set of numbers.

Find the median of the following set of numbers: 3, 5, 7, 9, 11

• 3

• 5

• 9

• 7

What is the mode of a set of numbers?

• The mode of a set of numbers is the number(s) that appear most frequently in the set.

• The mode of a set of numbers is the average of all the numbers in the set.

• The mode of a set of numbers is the middle number in the set.

• The mode of a set of numbers is the number(s) that appear least frequently in the set.

Find the mode of the following set of numbers: 2, 4, 6, 4, 8, 4

• 6

• 2

• 4

• 8

Find the median of the following set of numbers: 2, 4, 6, 8, 10, 12, 14

• 8

• 6

• 10

• 4

What does it mean if a set of numbers has multiple modes?

• The numbers in the set are all different.

• There are no numbers in the set.

• There is only one number in the set.

• There are two or more numbers that appear with the highest frequency in the set.

Find the mode of the following set of numbers: 3, 5, 5, 7, 7, 9, 9

• 3, 9

• 5, 9

• 3, 7

• 5, 7

How many total students were surveyed about their number of brothers and sisters? (add up all of the dots)

• 15

• 10

• 6