Mean, Median, Mode and Range

What is the median?

• The median is the average of all numbers in a list.

• The median is the middle number in a sorted list of numbers.

• The median is the largest number in a list.

• The median is the smallest number in a list.

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

• 20 (30 - 10)

• 25 (30 - 5)

• 30 (40 - 10)

• 15 (20 - 5)

How do you determine the range of a data set?

• Add the smallest number to the largest number.

• Multiply the smallest number by the largest number.

• Subtract the smallest number from the largest number.

• Divide the largest number by the smallest number.

What is the mean?

• 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 total count of numbers.

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

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

How do you find the median in a data set?

• Sort the numbers from least to greatest and find the middle number.

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

• Choose the largest number in the data set.

• Select the smallest number in the data set.

What is the mode of the following numbers: 2, 3, 4, 4, 5?

• 2

• 3

• 4

• 5

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

• 2.0

• 2.5

• 3.0

• 1.5

If the data set is 1, 2, 2, 3, 4, what is the mode?

• 1

• 2

• 3

• 4

How do you calculate the mean of a set of numbers?

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

• Multiply all the numbers together and divide by the total count of numbers.

• Add the largest and smallest numbers and divide by 2.

• Subtract the smallest number from the largest number.

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 the data set has an equal number of occurrences for all values.

• It means that the data set contains only one unique value.

• It means that the data set has a maximum value that is repeated.