ALEKS Statistics and Probability

Question 1

What is the mean of the data set: 4, 7, 10, 13, 16?

Accepted Answer

10

Answer

7

Answer

13

Answer

9

Question 2

What is the median of: 3, 7, 9, 12, 15, 18?

Accepted Answer

10.5

Answer

9

Answer

12

Answer

10

Question 3

A bag has 3 red, 5 blue, and 2 green marbles. What is the probability of picking a blue marble?

Accepted Answer

1/2

Answer

5/3

Answer

1/5

Answer

3/10

Question 4

What is the mode of: 2, 4, 4, 6, 7, 9, 9, 9?

Accepted Answer

9

Answer

4

Answer

6

Answer

7

Question 5

Two fair coins are tossed. What is the probability of getting exactly one head?

Accepted Answer

1/2

Answer

1/4

Answer

3/4

Answer

2/3

Question 6

What measure of central tendency is most affected by outliers?

Accepted Answer

Mean

Answer

Median

Answer

Mode

Answer

Range