Unit 7/ 11

One-Step Equations +

100

- 8 = 2 + n

-10

200

11 = 3 + v

8

300

f + 7 = 10

3

400

56+x=100

44

500

x + 136=203

67

One-Step Equations -

100

12=x - 5

17

200

20=r - 6

26

300

x - 40=34

74

400

x - 64=28

92

500

x - 503=253

756

One-Step Equations Mutiply

100

-66=-6y

11

200

- 6d = 30

-5

300

6c = 24

-4

400

- 36 = 4 r

-9

500

3x=36

12

One-Step Equations Divide

100

z/6 =12

72

200

-6=s/2

-12

300

y/9=3

27

400

14=-a/2

-28

500

-r/8=-4

28

Measures of Variation

100

What is the mode of the data?

9, 1, 83, 101, 101, 83, 78, 42, 9, 4, 56, 356, 1, 67, 83

Mode: 83

200

Find the mean of the following data:

4,9,1,8,3,5,7,2,7,4,8,2,5

Mean: 5

300

Find the median of the following data:

53,54,63,42,62,74,34,34,38,37,54,51

Median: 52

400

Find the mean, mode, & median for the following data:

78, 42, 63, 44, 73, 49, 69, 53, 52, 58, 61, 42

Mean: 57

Mode: 42

Median: 55.5

500

What is the IQR of the following data?

12, 15, 21, 25, 24, 18,  12, 9, 14

IQR: 10.5