7th Review

Mean, Median, Mode, Range

100

What is the mode of this data set?

5, 6, 7, 8, 7, 9, 8, 8, 8, 10

8

200

What is the range of this data set?

12, 4, 7, 10, 13, 2, 2, 2, 2, 2, 1, 17, 23

22

300

What is the median of this data set?

1, 2, 3,3,3,3,3,3,5,6,10,11,13

3

400

What is the median of this data set?

2, 7, 3, 3, 2, 1, 9, 10, 11

3

500

What is the mean of this data set?

20,24,25,25,26,27

24.5

Probability

100

Apples: 12

Grapes: 13

Kiwi: 8

Probability of kiwi?

24.24 %

200

Apples: 12

Grapes: 13

Kiwi: 8

Probability of Grapes?

39.39%

300

Apples: 12

Grapes: 13

Kiwi: 8

Probability of Apples?

36.36%

400

What is the probability of rolling a 2 or a 3 on a standard dice?

33.33%

500

What is the probability of rolling a PRIME number on a standard dice?

50%

One Step Equations

100

7x=49

7

200

x+3=13

x=10

300

x-6=12

x=18

400

x/5=10

x=50

500

x/100=.01

1

Two Step Equations

100

2x+2=4

x=1

200

3x+3=9

x=2

300

50x-20=80

x=2

400

x/4+2=10

x=32

500

x/2+100=0

x=-200

Tax/Discount

100

Original cost: 30.00

Tax: 5%

31.50

200

Original cost: 50.00

Discount: 20%

40.00

300

Original cost: 22.98

Tax: 7%

25.59

400

Original cost: 10.00

Discount: 99%

.10

500

Original Price: 30.00

Discount: 20%

Tax: 6%

25.44