Mean
Median
Mode
Range
IQR
100

How do you find the mean?

Add up all the #'s and divide by how many #'s there are.

100

How do you find the median and what if there is more than one?

Put the #'s in order from least to greatest order. Find the middle number. Add the two and divide by 2.

100

How do you find the mode?

The # that appears the most.

100

How do you find the range?

Maximum - minimum

100

How do you find the IQR?

Find the median of the lower quartile and the upper quartile and then subtract.

Q- Q1

200

Find the mean:

3, 3, 5, 8, 9, 12, 12, 14

Round to the nearest hundredth. 

8.25

200

Find the median:

28

200

Find the mode: 

39

200

Find the range:

9, 11, 15, 18, 22, 22, 25, 27, 30

21

200

Find the IQR: 

10

300

Find the mean: 

11, 15, 17, 19, 20, 24

Round to the nearest tenth.

17.7

300

Find the median:

7, 7, 9, 10, 10, 11, 13, 13, 13, 14, 14, 18, 20, 23, 25

13

300

Find the mode:

16, 16, 16, 18, 18, 18, 18, 20, 20, 20

18

300

Find the range:

17

300

Find the IQR:

5

400

Find the mean:

18, 21, 24, 27, 31, 33

Round to the nearest tenth.

25.7

400

Find the median:

16, 40, 18, 37, 20, 35, 20, 31, 23, 29, 26, 28

27

400

Find the mode:

3, 6, 9, 12, 18, 27

None

400

Find the range:

30

400

Find the IQR:

10

500

Which mean of the data is larger? 

A: 7, 7, 9, 10, 10, 11, 13, 13, 13, 14, 14, 18, 20, 23, 25

OR

B: 3, 3, 5, 8, 9, 12, 12, 14

A

500

Find the median:

33, 18, 21, 31, 27, 24

Round to the nearest tenth.

25.5

500

What is it called when there are two modes?

Bimodal

500

Find the range: 

12, 56, 4, 18, 8, 67, 42, 2, 65

65

500

Find the IQR:

4, 6, 6, 8, 9, 9, 10, 10, 12, 15, 19, 26, 28, 33, 38, 40, 41, 46, 48, 52

30

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