BMST Data Interpretation and Probability 2

Question 1

A bar chart shows monthly sales: Jan=120, Feb=95, Mar=150, Apr=110. What is the mean monthly sales?

Accepted Answer

118.75

Answer

120

Answer

110

Answer

125

Question 2

A bag contains 4 red, 6 blue, and 2 green marbles. What is the probability of drawing a blue marble?

Accepted Answer

1/2

Answer

1/3

Answer

2/3

Answer

1/6

Question 3

A pie chart shows 40% of students prefer math, 35% prefer science, and 25% prefer English. If there are 200 students, how many prefer science?

Accepted Answer

70

Answer

80

Answer

50

Answer

65

Question 4

A line graph shows temperatures (°F): Mon=72, Tue=68, Wed=75, Thu=70, Fri=73. What is the median temperature?

Accepted Answer

72

Answer

70

Answer

73

Answer

71.6

Question 5

Two dice are rolled. What is the probability that the sum equals 7?

Accepted Answer

1/6

Answer

1/12

Answer

1/9

Answer

7/36

Question 6

A table shows quiz scores: 85, 90, 78, 92, 88, 76, 95. What is the range of these scores?

Accepted Answer

19

Answer

21

Answer

17

Answer

15

Question 7

A spinner has 8 equal sections numbered 1–8. What is the probability of landing on an even number?

Accepted Answer

1/2

Answer

3/8

Answer

5/8

Answer

1/4