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Multiple Choice

What is the definition of the mean?

• The average
• The middle number
• The difference between the highest and lowest numbers
• The number that occurs the most

Multiple Choice

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

• 2
• The minimum
• The maximum
• The number of items

Multiple Choice

The height of three basketball players is 210 cm, 220 cm and 191 cm.
What is their average height?

• 210
• 207
• 220
• 200

Multiple Choice

Find the mean of these numbers:
2, 57, 38, 42, 6

• 29
• 38
• 50
• 145

Multiple Choice

When finding the median, what do you do if there are two middle numbers?

• Add them together and divide by 2
• Write them both as the answer
• Give up
• Pick one

Multiple Choice

What is the median?

• biggest- smallest
• average
• the middle #
• # that happens the most

Multiple Choice

Find the median for the set of numbers:

60, 52, 11, 29, 46, 9, 33

• 39

• 33

• 29

• 46

Multiple Choice

Find the median for the set of numbers:

53, 22, 76, 46, 68, 32, 15, 29

• 32

• 41

• 39

• 46

Multiple Choice

Find the median of these numbers:
4, 2, 7, 4, 3

• 2
• 5
• 7
• 4

Multiple Choice

The mode is the number ________________________.

• you see most

• you see least

• you don't see

• you see first

Multiple Choice

At Donald's Donuts the number of donut holes in a bag can vary. Help Donald find the MODE.

12,10,10,10,13,12,11,13,10

• 10

• 12

• 10 and 12

• No Mode

Multiple Choice

What is the mode of the following data set?

5, 7, 7, 8, 12 , 12, 5, 6, 13, 12

• 5

• 7

• 12

• no mode

Multiple Choice

What is the mode of this data set?

• 10
• 7
• 18
• 9

Multiple Choice

What is the mode of the following data set?

5, 7, 7, 8, 12 , 12, 5, 6, 13, 12

• 5

• 7

• 12

• no mode

Multiple Choice

What is the mode in this set of numbers:
7, 14, 20, 3, 7, 14, 2, 14, 7

• 7
• 20
• 7 & 14
• none of the above

Multiple Choice

What is the range?

• average
• biggest-smallest
• the middle #
• # happening the most

Multiple Choice

Find the range of the data.

63, 71, 65, 66, 87, 53

• 32

• 33

• 34

• 35

Multiple Choice

What is the range of this data set?

• 54
• 2
• 11
• 10

Multiple Choice

Find the range of the data.

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

• 18

• 27

• 30

• 12

​Try again if you got less than 50%

The purpose of school is to learn.

Multiple Choice

18, 4, 12, 2, 13, 18, 2, 2, 10
What is the range of this data set?

• 9
• 20
• 2
• 16

Goal

I can identify ​the mean, median, mode, and range of a data set.

Vocabulary​

Mean

​Average

Sum of all numbers ​in the data set divided by the total number of data values in the set

Median

Measure of center​

Order the ​values from least to greatest, then find the middle

Mode​

Measure of center​

the value that occurs the most​

Range

​Measure of variability

The difference of the greatest value and the least value​

Example 1: Find the Mean

Carla ​is in a bowling league. The league is ranking the teams by average score. What is the mean, or average, final score of the five bowlers on Carla's team?

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Find the Median

Trey and Sarah each ​download songs to their music libraries. Their players list each type of music and the total playing time in minutes for each type. How can Trey and Sarah each summarize their data sets using the median?

Find the Mode

Look at Trey's and Sarah's data music libraries. ​How can Trey and Sarah each summarize their data sets using the mode?

Find the Range

Look at Trey's and Sarah's music libraries. What is the range of the playing times in each of their data sets?