Finding Missing Numbers in Mean, Median, Mode, and Range

What is the range of a data set?

• The difference between the largest and smallest numbers

• The average of all numbers

• The middle number when listed in order

• The most frequently occurring number

If the range is 4 and the smallest number is 3, what is the largest number?

• 4

• 6

• 7

• 1

How do you calculate the mean of a data set?

• Identify the most frequent number

• Add all numbers and divide by the count of numbers

• Find the middle number

• Subtract the smallest number from the largest

What should the missing number be to achieve a mean of 4.2?

• 3

• 2

• 4

• 5

To achieve a range of 6, what should the missing number be if the smallest number is 9?

• 12

• 6

• 15

• 3

What is the median of a data set?

• The difference between the highest and lowest numbers

• The number that appears most frequently

• The middle number when listed from least to greatest

• The average of all numbers

For a data set with a mean of 5.4, which number should be added?

• 2

• 5

• 3

• 4

What should the missing number be to achieve a mean of 6 in the data set: 8, 5, 5, 5?

• 8

• 6

• 9

• 7

To achieve a median of 6, which number should be added to the data set: 6, 7, 1, 5?

• 7

• 3

• 6

• 1

If the median is 8, which number could be added to the data set: 8, 10, 9, 1?

• 7

• 5

• 3

• 2