Have an account?
Skip to Content
Build your own quiz
21 questions
Show Answers
See Preview
- 1. Multiple Choice
A group of 4 friends likes to bowl together, and each friend keeps track of his all-time highest score in a single game. Their high scores are all between 180 and 220, except for Adam, whose high score 250. Adam then bowls a great game and has a new high score of 290.
How will increasing Adam’s high score affect the mean and
median?
Both the mean and median will increase.
The median will increase, and the mean will stay the same.
The mean will increase, and the median will stay the same.
The mean will increase, and the median will decrease.
- 2. Multiple Choice
Which data set could be represented by the box plot shown above?
25,
28, 28, 29, 30, 34, 35, 37, 37, 38
25,
28, 29, 29, 30, 34, 35, 35, 37, 38
25, 28, 29, 29, 32, 34, 35, 36, 37, 38
25, 28, 29, 29, 30, 34, 35, 35, 37, 40
- 3. Multiple Choice
What is the shape of the distribution shown above?
The distribution is skewed to the left
The distribution is approximately symmetrical.
The distribution is skewed to the right.
- 4. Multiple Choice
Suzanne owns a small business that employs 6 people. The top sales person in her company makes $100,000 per year, and the other 5 employees make between $40,000 and $50,000 per year.
Suzanne decides to let her top sales person go and keep the other 5 employees.
How will removing the top sales person’s salary affect the median and the mean?
The mean will decrease and the median will stay the same.
The median will decrease and the mean will stay the same.
Both the mean and the median will decrease, but the median will decrease more than the mean.
Both the mean and the median will decrease, but the mean will decrease more than the median.
- 5. Multiple Choice
A sample of potato chip bags has a mean weight of 16 ounces and standard deviation of 0.7 ounces. What is the range of weight of potato chip bags one standard deviation from the mean?
15.3 - 16.7 ounces
9 - 23 ounces
16.7 - 17.4 ounces
- 6. Multiple Choice
How many employees make between $45 and $55 per hour?
2
5
7
8
- 7. Multiple Choice
How many employees make less than $45 per hour?
3
4
8
10
- 8. Multiple Choice
What is the total number of employees?
5
6
15
13
- 9. Multiple Choice
What is the median of the data
0.6
0.7
0.8
7
- 10. Multiple Choice
What is the maximum of the data?
0.8
8
1
10
- 11. Multiple Choice
What is the IQR of the data?
0.2
2
0.8
0.9
- 12. Multiple Choice
The following dot plot shows the number of jokers in each of Marci’s decks of cards. Each dot represents a different deck of cards.
How many decks of cards have at least 2 jokers?
7
2
4
9
- 13. Multiple Choice
The following dot plot shows the number of jokers in each of Marci’s decks of cards. Each dot represents a different deck of cards.
What is the greatest number of jokers in the deck?
3
4
5
11
- 14. Multiple Choice
Alexis counted the number of songs on each of her playlists. Below, there is a dot-plot and box-plot display the same data.
Which display makes it clear that none of the playlists had 10 songs?
Box Plot
Dot Plot
Both
Neither
- 15. Multiple Choice
Alexis counted the number of songs on each of her playlists. Below, there is a dot-plot and box-plot display the same data.
Which display makes it clear that the median is 13?
Box Plot
Dot Plot
Both
Neither
- 16. Multiple Choice
Alexis counted the number of songs on each of her playlists. Below, there is a dot-plot and box-plot display the same data.
Which display makes it clear that the IQR is 8?
Box Plot
Dot Plot
Both
Neither
- 17. Multiple Choice
Find the mean of the following data set.
1, 9, 8, 1, 8, 5, 7, 1
40
8
6
5
- 18. Multiple Choice
Find the median of the following data set.
1, 9, 8, 1, 8, 5, 7, 1
40
8
6
5
- 19. Multiple Choice
Find the mode of the following data set.
1, 9, 8, 1, 8, 5, 7, 1
1
8
7
5
- 20. Multiple Choice
Find the range of the following data set.
1, 9, 8, 1, 8, 5, 7, 1
9
8
10
40
- 21. Multiple Choice
If the mean of the data set below is 9, find the missing value.
7, 5, 12, x
9
10
11
12
- Answer choicesTagsAnswer choicesTags