Measures of Center Are Affected

What is the mode?

• The average

• The number that appears most often.

• The largest number - the smallest number

• The number in the middle.

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

Find the median:
3, 5, 7, 4, 3, 1

• 3 and 4

• There isn't one

• 3.5

• 3

Find the mode:
5, 0, 9, 9, 3, 0, 5, 5, 4

• 9

• 5

• 3

• 7

Find the median:
5, 6, 3, 9, 0, 4, 1, 2, 7

• 4

• 4.1

• 5

• 4.5

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

Find the mean:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.08

• 20.4

• 5.1

• 4.2

Find the median:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

Find the mode:
3.8, 4.2, 4.0, 4.2, 4.2

• 4.2

• 3.8

• 4.0

Q1. What is the result of 4 + 4?

• A) 8

• B) 4

• C) 12

• D) 32