CLASS SECTION/SCHEDULE (FRI-AM, FRI-PM, SAT-AM, SAT-PM, SUN-AM, SUN-PM, ONLINE)

1.

A college president wants to find out which courses are popular with students. What procedure would be most appropriate for obtaining an unbiased sample of students?

a) Survey a random sample of students from the English department.

b) Survey the first hundred students from an alphabetical listing.

c) Survey a random sample of students from a list of the entire student body.

d) Have students voluntarily mail in their preference.

A

B

C

D

None

2.

The graph shows the yearly average temperature from 1980 to 1985. What is the difference between the highest and lowest average yearly temperatures?

a) 73°F

b) 77°F

c) 1°F

d) 4°F

A

B

C

D

None

3.

The profits realized by a certain business over a 5-year period are given below: 1. $20,000 2. $32,000 3. $28,000 4. $40,000 5. $44,000 Which statement best describes the trend in profits?

a) There is an increasing trend in profit from the first to the fifth year

b) Profits began to stabilize the second year

c) There is no trend in the profits

d) Profits are steadily declining after the fourth year

A

B

C

D

None

4.

The graph represents the average coal output for seven states. How much higher is the output (in tons) for Pennsylvania (Pa) than for West Virginia (W. Va.)?

a) 500,000 tons

b) 1,000,000 tons

c) 1,500,000 tons

d) 2,000,000 tons

A

B

C

D

None

5.

The number of people employed in different work areas in a manufacturing plant are represented by the circle graph. What percent of the people work in Sales and Administration combined?

a) 25%

b) 20%

c) 12.5%

d) 7.5%

A

B

C

D

None

6.

The graph to the right depicts the number of hours a group of 16 students spent studying for a test during the week prior to the test and the grades they made on the test. Which of the following best describes the relationship between the number of hours spent studying and the test grade?

a) There appears to be a negative association between study hours and test grade

b) Increasing the number of study hours causes the grade to be higher

c) There appears to be a positive association between the number of study hours and the test grade

d) The number of hours spent studying during the week prior to the test does not provide the information needed to predict grades.

A

B

C

D

None

7.

The graph to the right depicts the percent of overweight male (shaded squares) and female (blank squares) adults from 1960 until 1990. Which of the following best describes the relationship between the year (time) and the percent of overweight adults?

a) A relationship between being overweight and time exists only for males.

b) There appears to be no relationship between time and being overweight

c) Incidence of being overweight tends to increase as time increases. A stronger relationship exists for males than for females.

d) Incidence of being overweight tends to increase as time increases. The relationship is about the same for males and females.

A

B

C

D

None

8.

The graph shows the percent of persons in different age groups for several years. Which of the following best describes the trend in the "Age Under 14" group?

a) The percent of persons in the group steadily decreased.

b) The percent of persons in the group de- creases until 2010 and then levels off.

c) There is no trend for this group.

d) The percent of persons in the group in- creased from 1970 to 1990.

A

B

C

D

None

9.

The graph shows the percent of persons in different age groups for several years. which is the best estimate of the percent of persons under 14 in the year 2000?

a) 15%

b) 20%

c) 25%

d) 30%

A

B

C

D

None

10.

Consider the following graph showing the value of a $15,000 car after 1, 2, 3, 4, 5 and 6 years. In what year did the price of the car begin to stabilize?