Solving for Mean of Data

What is the definition of Mean?

• Last number minus the first number

• Range of the numbers

• Number that occurs the most often

• Average of the numbers

What is the first step to solving for the Mean Absolute Deviation?

• Find the mean of the new set of numbers

• Find the mean of the given data set

• Subtract the mean from each original data point

Find the Mean Absolute Deviation of the set: 10, 5, 7, 14, 19, 32, 25

• 8

• 16

• 56

• 112

Find the Mean Absolute Deviation of the set: 56, 21, 55, 30, 34

• 39.2

• 13.04

• 196

• 65.2

The number of points in the first five games of the football season are listed below. What is the mean number of points scored?

Mathematical Equivalence

ON

Using the table titled "Dress Costs ($)", calculate the mean of the data. Round to the nearest tenth.

Mathematical Equivalence

ON

What is the mean of the following list of numbers?

9, 9, 14, 7, 12, 8, 11, 19, 15, 11

• 9

• 10

• 11.5

• 12.5

What is the mean?

• 6

• 5

• 7

• 8

What is the mean of this data set?
6, 7, 2, 1, 5, 2, 1, 6

Mathematical Equivalence

ON

Find the mean of the countries' research and development spending.

• 21.86 billion

• 218.6 billion

• 3.5 billion

• 79.1 billion