1.The budget was $4 million last year ($4.4 million this year). Compare this year with last year. What is the percent change?

Select one:

a. $400,000 increase

b. 4% increase

c. 10% increase

d. 40% increase

e. None of these

f. I don't know

2.An oil tanker hit a rock offshore from your city and spilled about 180,000 gallons of crude oil. How many swimming pools would the spilled oil fill if a swimming pool holds 12,000 gallons.

Select one:

a. 0.07

b. 1.5

c. 7

d. 15

e. 70

f. 168,000

g. None of these

h. I don't know

3.If the price of a stock decreases by 50% and then increases by 50%, it will be back to its original value.

Select one:

a. True

b. False

c. I don't know

4.Suppose people are classified in two groups: rich and poor. If the incomes of rich and poor people both increase at the same rate, then the income gap between rich and poor......

Select one:

a. It will decrease

b. It will stay the same

c. It will increase

d. I don't know

5.If earnings drops by $600,000 from +$300,000 to -$300,000, this is a 200% decrease.

Select one:

a. Yes

b. No

c. I don't know

6.A city of 150,000 had 75 murders last year. What is the murder rate per 100,000?

Select one:

a. 30

b. 50

c. 75

d. 150

e. 500

f. None of these

g. I don't know

7.A poll of 400 randomly sampled voters shows the two candidates at 46% and 54%. The margin of error is 5 percentage points. Is this difference statistically significant?

Select one:

a. Yes

b. No

c. I don't know

8.The budget was cut from $2 million to $1.5 million. What was the percent change?

Select one:

a. 75% decrease

b. 25% decrease

c. 75% increase

d. 25% increase

e. None of these

f. I don't know

9.A study shows that doing yoga cuts the frequency of migraines. Could this study have been done as a classic before-after experiment where the number of migraines per month before doing yoga is compared with the number of migraines per month after doing yoga for the same group of people?

Select one:

a. Yes

b. No

10.Which definition of heat-wave deaths gives the largest number?

Select one:

a. Deaths caused by a heat wave

b. Deaths occurring during a heat-wave.

c. No difference

d. I don't know

11.Eight is 300% more than two.

Select one:

a. True

b. False

c. I don't know

12.Suppose Jim finishes 20% of his job and Jan finishes 60% of her job. Suppose that Jim is doing 80% of the project and Jan is doing 20%. How much of the total project has been done so far?

Select one:

a. 20%

b. 28%

c. 32%

d. 40%

e. 52%

f. None of these

g. I don't know

13.The city managers in five towns are paid $75,000, $80,000, $65,000, $120,000 and $60,000 a year. What is their median annual salary?

Select one:

a. $65,000

b. $75,000

c. $80,000

d. $85,000

e. None of these

f. I don't know