CLAST Statistics and Probability 2

Question 1

A data set has values: 4, 7, 7, 9, 13. What is the mode?

Accepted Answer

7

Answer

4

Answer

9

Answer

13

Question 2

If the probability of rain on any given day is 0.3, what is the probability that it does NOT rain?

Accepted Answer

0.7

Answer

0.3

Answer

0.6

Answer

0.4

Question 3

A bar graph shows sales of 40 in January, 55 in February, and 35 in March. What is the mean monthly sales?

Accepted Answer

43.3

Answer

40

Answer

45

Answer

55

Question 4

Which measure of central tendency is most affected by an extreme outlier?

Accepted Answer

Mean

Answer

Mode

Answer

Median

Answer

Range

Question 5

A bag contains 5 red, 3 blue, and 2 green marbles. If one marble is drawn at random, what is the probability it is blue?

Accepted Answer

3/10

Answer

1/3

Answer

3/5

Answer

1/5

Question 6

The scores on a test are 60, 72, 85, 85, 90, 95. What is the median?

Accepted Answer

85

Answer

87.5

Answer

82.5

Answer

80

Question 7

A spinner has 8 equal sections numbered 1–8. What is the probability of spinning a number greater than 5?

Accepted Answer

3/8

Answer

5/8

Answer

1/2

Answer

1/4