Mean Median Mode Range

Measures that describe a data set by identifying the middlemost value by a single number, usually using a mean, median or mode, are called

• Measures of Central Tendency

• Measures of Spread

• Measures of Medians

• Measures of Averages

What is the middle value in a data set that has been ordered from least to greatest?

• Mode

• Median

• Mean

• Q1

What is the values or numbers that occurs the most in a data set?

• Median

• Mode

• Mean

• Maximum

How is the range calculated?

• Subtract Q1 from Q3?

• Add the minimum and maximum values

• Divide the minimum and maximum values

• Subtract the minimum value from the maximum value.

Find the median, mode and range: 
3, 5, 7, 9, 11, 8, 3

• median:7  mode:3  range:8

• median:6  mode:3  range:7

• median:7  mode:3 range:7

To find the mean of a set of numbers, add up all the items and divide by...

• 2

• The minimum

• The maximum

• The number of items

What is the median of this data set?

• 11

• 12

• 13

• 17

What is the median of this data set?
20 , 1 , 7 , 19 , 11 , 19

• 11

• 15

• 19

• 20

What is the median of this data set?
5, -2, 4, 2, -3, 0

• -1

• 0

• 1

• 2

Calculate the mean of Shelly's test scores if she has scored 75, 97, and 92 so far this semester.

• 92

• 88

• 132

• 123