Statistic Unit Review

Find the Mean of:
13, 24, 10, 6, 19 18, 11, 9, 13, 17

• 140
• 16
• 17.3
• 14

What is the mode?

• The middle number in an ordered set of data.

• The difference between the greatest and least amount in the data set

• The value that occurs the most often in a data set

• The sum of all the numbers in a data set divided by the size

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

• Pick your favorite number

• They are both the median

• Find the mean of the two numbers

• None of the above

What is the mode of the following data set...

4 , 8 , 5 , 17 , 5 , 4 , 9 , 5 , 6 , 82

• 4

• 9

• 6

• 5

The median of the numbers 34, 32, 12, 65, and 45 is...

• 12

• 32

• 34

• 65

If you score 76, 85, 97, and 83 on your math tests for the unit, what would your median score be?

• 84

• 90

• 85

• 88

The range of the numbers 34, 32, 12, 65, and 45 is...

• 11

• 32

• 53

• 38

Christian has six grades from tests and IXL. They are all weighted equally. If Christian's grades are 100, 96, 96, 88, 70, and 100, what is the current mean grade? (Round to the nearest whole number)

• 90

• 91

• 92

• 93

What is the Q1 of this data set?

6, 7, 2, 1, 5, 2, 1, 6

• 1

• 1.5

• 2

• 2.5

What is the Q3 of this data set?
6, 7, 2, 1, 5, 2, 1, 6

• 5
• 6
• 5.5
• 6.5