Mean Median Mode Intro

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

What is the median?

• The number in the middle.

• The greatest number - the least number

• The average

• The number that appears most often.

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1, 0, 1, 5, 0, 3, 4.  What is the average number of cavities?

• 14

• 2

• 7

• 1

Which number is not the mean, median or range of the data set 4, 3, 15, 11, 3, 8, 7, 5?

• 6

• 11

• 12

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

• 99 was the highest score on the test.

• More students received a 94 than any other score

• No student scored below a 50

• A score of 91 was slightly below average.

Find the mean.
90, 100, 95, 85, 60, 80

• 85

• 84

• 86

• 90

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

At Dominique's Donuts the number of donut holes in a bag can vary. Help Dominique find the mode.
12,10,10,10,13,12,11,13,10

• 13

• 12

• 11

• 10

What is the mode?

• happening the most

• the average

• biggest - smallest

• the middle #

Find the mean of these numbers:
5,11,2,12,4,2

• 4.1

• 6

• 4.5

• 4