Measures of Center

Measures of Center

Multiple Choice

What is the mean?

• The value that occurs the most often in a data set
• The middle number in an ordered set of data
• The sum of all the numbers in a data set divided by the size
• The sum of the between the greatest and the least elements, divided by two

Multiple Choice

The number of pages that Carolyn wrote in her journal each day from Monday to Friday is shown below: 
9, 8, 12, 6, 10
What is the mean number of pages she wrote per day?

• 5
• 6
• 9
• 11

Multiple Choice

Find the Median in the Data Set:

7, 8, 3, 4, 8

• 7

• 8

• 4

• 3

Multiple Choice

The number of miles that Jenna cycled each week for a 7-week period is shown: 
36, 42, 28, 52, 48, 36, 31 
What is the median number of miles Jenna cycled?

• 24
• 36
• 39
• 52

Multiple Choice

A data set can have more than one mode

• True
• False

Multiple Choice

The mode score on the 6th grade math test was 94! Which of these interpretations must be correct?

• 94 was the highest score on the test.
• More students received a 94 than any other score
• No student scored below a 94
• A score of 91 was slightly below average.

Multiple Choice

Roger bowled 7 games last weekend. His scores are: 155, 165, 138, 172, 127, 193, 142. What is Roger's median score?

• 127
• 155
• 156
• 193

Let's see what you learned...

Multiple Choice

What measure represents the value in the center?

• Mode

• Median

• Mean

Multiple Choice

What measure represent the average?

• Mode

• Median

• Mean

Multiple Choice

What measure represents the value that repeats the most?

• Mode

• Median

• Mean

Multiple Choice

At Donald's Doughnuts, the number of doughnut holes in a bag can vary. Help Donald find the mode of the number of doughnut holes per bag described in the sample below:

{12, 10, 10, 10, 13, 12, 11, 13, 10}

• 13

• 12

• 11

• 10

Multiple Choice

The list below shows the number of words per minute students in Mrs. DeFelice's class typed last week:
42, 55 ,62, 39, 38, 70, 54, 56, 73.
Which would change the range from 35 to 38?

• A new student types 38 wpm
• The student that  typed 39 wpm moved
• A new student types 35 wpm
• The student that typed 73 wpm movedd

Multiple Choice

Find the range.
12, 5, 9, 18, 22, 25, 5

• 20
• 15
• 22
• 18

Multiple Choice

What do you do if there are two numbers in "the middle" when you are finding the median?

• Pick your favorite number
• Add the two numbers in the middle & then divide by two.
• They are both the median
• None of the above