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Data Analysis Quiz 1

Contemporary's GED Mathematics
Jerry Howett

Data Analysis, Statistics, and Probability

Chapter Review Quiz


Choose the best answer to each problem. You may refer to pages 197–222 in Contemporary’s GED Mathematics if you need additional help. You may also use a calculator. When you have finished the quiz, click on Submit Answers to receive feedback and results. You may also choose to e-mail your results to your instructor.


Look at the following circle graph. According to the graph, about what fraction of the GED recipients are 25 or older?

Need a Hint?
A) 1/12
B) 1/5
C) 1/4
D) 1/3
E) 1/2

According to a study sponsored by the United Nations, experts estimate that 21% of the world’s population will be 60 or older in the year 2050. Susan wants to construct a circle graph that represents the percent of the world’s population in various age categories in the year 2050. How many degrees will be in the pie-shaped piece of the circle graph that represents the category 60 and older?
Need a Hint?
A) 21.6°
B) 43.5°
C) 75.6°
D) 151.2°
E) 216°

Problems 3 and 4 refer to the following graph.


According to the graph, about how many evening dailies were there in 1990?
Need a Hint?
A) 1,200 evening dailies
B) 1,100 evening dailies
C) 900 evening dailies
D) 700 evening dailies
E) 600 evening dailies

In which year was the number of evening dailies about 2 1/2 times the number of morning dailies?
Need a Hint?
A) 1998
B) 1995
C) 1990
D) 1985
E) 1980

Problems 5 and 6 refer to the following graph.


According to the graph, between what two consecutive years did the shipment of CDs first exceed the shipment of cassettes?
Need a Hint?
A) 1990 and 1991
B) 1991 and 1992
C) 1992 and 1993
D) 1993 and 1994
E) 1994 and 1995

The Recording Industry Association of America reported that only 2% of the CDs sold in 1998 were jazz CDs. About how many jazz CDs were sold in 1998?
Need a Hint?
A) 8,500,000 CDs
B) 17,000,000 CDs
C) 34,000,000 CDs
D) 68,000,000 CDs
E) 134,000,000 CDs

The following table shows some of the proposed postal rate increases for the summer of 2002.

First-class mail, 1 oz. $0.34 $0.37
Postcard 0.21 0.23
Priority mail, 1 lb. 3.50 3.85
Certified mail 2.20 2.35

By what percent is the rate for one pound of priority mail expected to increase?
Need a Hint?
A) 5%
B) 6.5%
C) 8%
D) 8.75%
E) 10%

Frank brought his laundry home from the laundromat and left it in the bag. There were 6 gray socks, 8 white socks, and 2 black socks in the bag.

Frank wanted to put on clean white socks to go jogging. He reached in the bag and pulled out one black sock. The second sock he took from the bag was white. What is the probability that the next sock he takes from the bag will be white?
Need a Hint?
A) 1/2
B) 1/3
C) 1/5
D) 1/7
E) 1/8

Problems 9 and 10 refer to the following information and table.

Betty teaches an exercise class at a community center. On the first day of class she weighed each man and woman in the class. The results are on the following table:

Weight Range WomenMen
200 lbs. and over 0 3
180–199 lbs. 2 5
160–179 lbs. 4 7
140–159 lbs. 7 0
120–139 lbs. 2 0


What fraction of the class weighs less than 180 pounds?
Need a Hint?
A) 1/4
B) 1/3
C) 1/2
D) 2/3
E) 3/4

What percent of the women in the exercise class weigh 160 pounds or more?
Need a Hint?
A) 20%
B) 30%
C) 40%
D) 60%
E) 70%


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