Statistics Quiz

What time did the students in class wake up this morning?

• STATISTICAL

• NON

  STATISTICAL

What is the difference between the scores on your last two spelling tests?

• STATISTICAL

• NON

  STATISTICAL

What is the mean of these numbers?
4,5,5,2,3,3,2,8

• 40

• 24

• 4

• 256

Find the mean:
28, 18, 19, 18, 17

• 20

• 18

• 11

• 19

Find the median for the set of numbers:

23, 37, 11, 58, 13, 45

• 30

• 23

• 37

• 28

Find the median for the set of numbers:

85, 42, 64, 71, 39, 56, 26

• 71

• 42

• 56

• 60

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

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

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

• True

• False

Lizzy had test scores of:   72, 94, 108, 60
What is the RANGE of her test scores?

• 12

• 72

• 48

• 98