Name:    Algebra 1 SOL A.17

Multiple Choice
Identify the choice that best completes the statement or answers the question.

1.

Lupe has test grades of 92, 87, 99, and 84 in algebra. What must she get on the fifth test to have a mean of 90?
 a. 94 c. 89.5 b. 90 d. 88

For the following questions, use this box-and-whisker graph that shows test scores in Mrs. Abbot’s class and Mr. Chang’s class.

2.

Which is true about the class medians?
 a. Mrs. Abbott’s is 60 and Mr. Chang’s is 65. b. Mrs. Abbott’s is 80 and Mr. Chang’s is 75. c. Mrs. Abbott’s is 40 and Mr. Chang’s is 50. d. Mrs. Abbott’s is 50 and Mr. Chang’s is 90.

3.

What percent of the scores in Mrs. Abbott’s class are between 60 and 80?
 a. 25% c. 50% b. 40% d. 75%

4.

Which is true about the class ranges?
 a. Mrs. Abbott’s is 50 and Mr. Chang’s is 25. b. Mrs. Abbott’s is 50 and Mr. Chang’s is 90. c. Mrs. Abbott’s is 40 and Mr. Chang’s is 25. d. Mrs. Abbott’s is 40 and Mr. Chang’s is 90.

5.

What percent of the scores in Mr. Chang’s class are greater than 50?
 a. 25% c. 75% b. 50% d. 100%

For the following questions, Olivia had to conduct a survey for her statistics class. She recorded the weight and height of all the pet dogs on her block. This table shows the data she collected.

 Breed of Dog Weight(pounds) Height(inches) Shih Tzu 10 10 Fox Terrier 19 14 Keeshond 31 18 Golden Retriever 66 23 Newfoundland 110 27 Afghan Hound 55 25 Shetland Sheepdog 24 19

6.

What is the range of the weights?
 a. 31 lb c. 66 lb b. 45 lb d. 100 lb

7.

What is the mean weight?
 a. 31 lb c. 66 lb b. 45 lb d. 100 lb

8.

What is the median weight?
 a. 31 lb c. 66 lb b. 45 lb d. 100 lb

9.

What is the range of the heights?
 a. 27 in. c. 19 in. b. 23 in. d. 17 in.

10.

Which is the box-and-whisker graph for the heights?
 a. c. b. d.

For the following questions, use this table which shows average high and low temperatures in Norfolk for five months.

 Month Average High (°F) Average Low (°F) January 50 32 March 57 39 June 85 67 August 86 69 November 62 43

11.

What is the mean of the average high temperatures?
 a. 68F c. 50F b. 62F d. 36F

12.

What is the mean of the average low temperatures?
 a. 68F c. 50F b. 62F d. 36F

13.

Which is true?
 a. The range of the average high temperatures is less than the range of the average low temperatures. b. The range of the average high temperatures is greater than the range of the average low temperatures. c. The range of the average high temperatures is the same as the range of the average low temperatures. d. The range of the average high temperatures is 10 more than the range of the average low temperatures.

14.

Which box-and-whisker graph shows the average low temperatures?
 a. c. b. d.