Mean, Median, Mode and Range

What do you do when finding the median and there are two middle numbers?

• Add the two numbers together and divide by 2.

• Take the average of the two numbers without adding them.

• Choose the larger of the two middle numbers.

• Choose the smaller of the two middle numbers.

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

• The range is calculated by subtracting the smallest number from the largest number in the set.

• The range is calculated by adding the smallest number to the largest number in the set.

• The range is the average of all the numbers in the set.

• The range is the difference between the largest and smallest numbers, divided by the number of values.

What is the median of the following set: 127, 138, 142, 155, 165, 172, 193?

• 145

• 150

• 155

• 160

If the scores are 100, 90, 90, 80, what is the mode?

• 80

• 90

• 100

• 85

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

• Arrange the numbers in order and identify the middle number. If there are two middle numbers, add them together and divide by 2.

• Calculate the average of all the numbers in the set.

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

• Count the total number of numbers and divide by two.

If the scores are 155, 165, 138, 172, 127, 193, 142, what is the range?

• 62

• 66

• 70

• 75

To find the average (mean), what do you divide by?

• The sum of all items in the set

• The largest item in the set

• The number of items in the set

• The smallest item in the set

What is the mean of a set of numbers?

• The mean is the sum of all numbers in the set.

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

• The mean is the largest number in the set.

• The mean is the difference between the largest and smallest numbers in the set.

How do you find the median of an even set of numbers?

• Arrange the numbers in order, find the two middle numbers, and average them.

• Select the largest number in the set.

• Choose the smallest number in the set.

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

What is the mode of a set of numbers?

• The average of the numbers in the set.

• The number that appears most frequently in a set of numbers.

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

• The largest number in the set.