7th Grade Basic Stats

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

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

6. Find the mean.
18, 2, 0, 0, 0

• 4
• 5
• 10
• 20

Tags

CCSS.4.MD.B.4

Dr. Dre is a dentist. He needs to report on the average number of cavities that his patients have.
1,0,1,5,6,3,4

• 3.33
• 2.85
• 3
• 3.5

What is the median?

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

Tags

CCSS.7.EE.B.3

In order to find the median, the data must be sorted from least to greatest first.

• True
• False

A data set can have more than one median?

• True
• False

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

• 3 and 4
• There isn't one
• 3.5
• 3

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

• 24
• 36
• 39
• 52