Mean, Median, Mode, and Range, Interquartile, Iqr

Find the range of the data.

16, 28, 6, 19, 21, 15, 22, 33, 17

• 18

• 27

• 30

• 12

Calculate the range of the following 2, 5, 8, 3, 13, 5

• 11

• 13

• 5

• 8

What is the median?

• The end of a sentence

• The middle of the road

• The middle of the set of numbers

• My lunch

Find the mode for the following goals scored by soccer team.
3,   3,   0,   2,   2,   2,   5,   5,   8,   4

• 8

• 4

• 3

• 2

• a

• b

• c

• d

Match the following terms with its correct definition.

• Add together, and divide by 2.

• Range

• The middle value in a list of numbers when arranged in ascending order

• Median

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

• Mode

• The difference between the highest and lowest values in a set of numbers

• Mean or Average

• The sum of all values divided by the total number of values

• What if there are 2 numbers in the middle?

Read the definition and match each word to the correct box.

• Median

• Measure of center that occurs most often in a data set.

• Mode

• Measure of variation that represents the spread of a set of data.

• Mean

• Measure of center that lies in the middle of a set of data arranged in order

• Range

• Measure of center that represents the fair share of a set of data.

Teresa interviewed each teacher at her school to find out how long they had been teaching. She organized her results with a stem-and-leaf plot. According to her data, which statement is true?

• There is no mode.

• No teacher has taught for fewer than 10 years.

• The median is 18.

• The spread of the data set is 29.

The range is found by _________________ .

• adding the quartiles

• subtracting the quartiles

• subtracting the maximum value minus the minimum value

• the golf course

Find the range of the data.

• 32

• 33

• 34

• 35