Mean Median Mode Range

What is the first step when calculating mean, median, mode, and range for a data set?

• Ordering the data from least to greatest.

• Adding all the numbers together.

• Identifying the most frequent number.

• Finding the difference between the largest and smallest numbers.

What is the mean (average) of the data set: 72, 73, 79, 84, 84, 84, 90, 90, 97?

• 83.67

• 84

• 753

• 9

What is the median (middle) of the data set: 72, 73, 79, 84, 84, 84, 90, 90, 97?

• 84

• 83.67

• 25

• 90

What is the mode (most frequent) of the data set: 72, 73, 79, 84, 84, 84, 90, 90, 97?

• 84

• 90

• 83.67

• 72

What is the range (spread) of the data set: 72, 73, 79, 84, 84, 84, 90, 90, 97?

• 25

• 97

• 72

• 84