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Which of the following is closest to the range of the five total government debts from 1972 to 1976 ?
Which of the following is closest to the average total government debt per person in 1972?
Approximately what was the average (arithmetic mean) decrease per year in the total government debt during the three-year period from 1973 to 1976?
The average (arithmetic mean) of the 8 integers in list K is 26.5. List M consists of the 8 integers in K and 2 additional integers, a and b. The average of the 10 integers in M is 28.2.

Quantity A

The average of a and b

Quantity B

$$ 35.0$$


At an airport, the daily high temperatures, in degrees Celsius, were recorded for 4 consecutive days. If the average (arithmetic mean) high temperature for the 1st, 2nd, and 3rd days was 29 degrees Celsius and the average high temperature for the 2nd, 3rd, and 4th days was 31 degrees Celsius, how much greater was the high temperature on the 4th day than on the 1st day? ______________degree Celsius
The function f is defined by $$f(x)=x^2-5x+1$$ for all numbers $$x$$. What is the median of all possible values of $$f(n)$$, where n is an integer and $$6 \leq n \leq 14$$?
The weights of 80,000 fish are approximately normally distributed with a mean of 12.5 ounces and a standard deviation of 4.2 ounces. Approximately what percent of the 80,000 fish have weights between 16.7 and 20.9 ounces?
The figure shows a normal distribution with mean m and standard deviation d, including approximate percents of the distribution corresponding to the six regions shown. The distribution of the random variable $$Y$$ is normal with mean 10 and standard deviation 0.5. Which of the following is closest to the value of $$P(9 \lt Y \lt 10.5)$$
Set $$S$$ has twice as many members as set $$R$$, and the two sets have some members in common.

Quantity A

The number of members that are in $$S$$ and not in $$R$$

Quantity B

Twice the number of members that are in $$R$$ and not in $$S$$


Of the vehicles in a parking lot, 38.75 percent are trucks and 52.5 percent are cars. What fraction of the vehicles in the parking lot are neither trucks nor cars?
A large number of samples of water were tested for the presence of two different minerals, $$X$$ and $$Y$$. Of all the samples tested, 52 percent showed the presence of $$X$$, 18 percent showed the presence of $$Y$$, and 10 percent showed the presence of both $$X$$ and $$Y$$.

Quantity A

The percent of all the samples tested that showed the presence of neither X nor Y

Quantity B

$$34%5$$


In a survey of 300 television watchers, $$\frac{1}{5}$$ said they like news programs and $$\frac{1}{4}$$ said they like sports programs.

Quantity A

The greatest possible number of those surveyed who said that they like both news programs and sports programs

Quantity B

$$60$$


In a poll of 400 people who answered either yes or no to each of two questions, 340 people answered yes to the first question and 215 people answered yes to the second question. Which of the following could be the number of people polled who answered yes to both questions? Indicate all such numbers.
In a group of 38 college students, 28 are sophomores and 15 are chemistry majors. Which of the following could be the number of students in the group who are both sophomores and chemistry majors? Indicate all such numbers.
In a survey of 100 teenagers, 71 of the teenagers reported using at least one of three social media sites-$$A, B$$, and C-and 30 reported using all three sites. At least 15 of the teenagers reported using only site A and at most 15 of the teenagers reported using only site $$B$$. Which of the following values could be the number of teenagers who reported using only site $$C$$? Indicate all such values.
Three people are in the process of reviewing 50 grant proposals. The numbers of proposals that each has reviewed so far are 32, 28, and 25, respectively.

Quantity A

The number of proposals that have been reviewed by at least 2 reviewers

Quantity B

$$32$$


10, 13, 16, 19, 22……… The first term in the sequence shown is 10, and each term after the first is 3 greater than the previous term. What is the value of the 92nd term in the sequence?
A bag contains only red marbles and blue marbles and contains at least two of each color.

Quantity A

The probability of drawing a red marble after an additional blue marble has been placed in the bag

Quantity B

The probability of drawing a red marble after one of the red marbles has been removed from the bag


For each order of envelopes, a company charges d dollars per box for the first 100 boxes and $$\frac{2d}{3}$$ dollars per box for any boxes in excess of 100. lf the company charges $660 for an order of 250 boxes of envelopes, what is the value of d?

Quantity A

$$w(2x+2y+2z+1)$$

Quantity B

$$2w(x+y+z)$$


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