Math Math Statistics and Data Analysis 2

Question 1

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

Accepted Answer

1/2

Answer

1/4

Answer

3/8

Answer

1/8

Question 2

What is the median of 11, 14, 6, 9, 18, 3?

Accepted Answer

10

Answer

9

Answer

11

Answer

14

Question 3

In a class of 30 students, 18 play sports. What percent play sports?

Accepted Answer

60%

Answer

50%

Answer

40%

Answer

18%

Question 4

A box-and-whisker plot shows Q1 = 20, median = 30, Q3 = 45. What is the interquartile range (IQR)?

Accepted Answer

25

Answer

15

Answer

10

Answer

30

Question 5

Two fair coins are flipped. What is the probability of getting exactly two heads?

Accepted Answer

1/4

Answer

1/2

Answer

3/4

Answer

1/3

Question 6

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

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range