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(i)____________ analyses are (ii)____________ subtle data selection biases. This effect is illustrated by the enduring myth that animals can sense impending earthquakes. It is possible that animals respond to weak initial shaking that humans miss, but any pet owner knows that unusual behavior in animals is very frequent. People ascribe significance only in hindsight.


The frequency distribution above shows the number of colleges visited by a sample of students. If the median of the numbers of colleges visited is 3, which of the following could be the value of x?

Indicate all such values.
△ABC is inscribed in a circle with center O and radius r.



Quantity A

The perimeter of △ABC

Quantity B

6r




Quantity A

|a|

Quantity B

|b|


In the xy-plane, a triangle has vertices $$(0, 3)$$, $$(b, 3)$$, and $$(0, 3b)$$, where $$b$$ is a constant. If the area of the triangle is $$18$$. which of the following is a possible value of $$b$$?
$$Y_1, Y_2, Y_3,...,Y_i,...$$

The sequence shown is defined by $$Y_1$$=5 and $$Y_{i+1}=\frac{1}{5}Y_i$$ for each positive integer.

Quantity A

$$Y_6$$

Quantity B

$$(25^{5})Y_{16}$$


The probabilities that independent events A and B will occur tomorrow are 0.60 and 0.80, respectively.

Quantity A

The probability that A or B or both will occur tomorrow

Quantity B

0.92




Quantity A

$$\frac{2^{27}-2^{24}}{8^{27}-8^{26}}$$

Quantity B

$$2^{-54}$$




A banner is to be designed to have 3 regions of solid color, as shown. Colors can be repeated, but no 2 adjacent regions can have the same color. How many different designs are possible if the colors are chosen from blue, green, red, white, and yellow?

Quantity A

The annual simple interest rate if $200 earns $50 interest in 3 years

Quantity B

The annual simple interest rate if $600 earns $90 interest in 2 years


For how many of the five response categories in the table was the number of responses less than 750?
Based on the information given, which of the following statements are true?

Indicate all such statements.
If 24 percent of the homeowners who were asked Question 2 responded both "house is comfortable" and "house is in good condition", what percent of the homeowners who were asked Question 2 gave neither of these responses?
The distance from the center of tree A to the center of tree B is 20 feet. The distance from the center of tree A to the center of tree C is 12 feet. The centers of the three trees are not, in a straight line. Which of the following values could be the distance, in feet, from the center of tree B to the center of tree C?

Indicate all such values,

Quantity A

The least positive integer by which 4,500 can be multiplied so that the resulting product is the cube of an integer.

Quantity B

6






Which of the following best represents the graph in the xy-plane of $$y=(x-2)^{2}-x^{2}$$?

Although legislators on both sides of issues have repeatedly (i)____________ a desire to find a middle ground, until now their actions disclose an unwillingness to (ii)____________ any compromise. The script followed by the latest statements has therefore become a familiar one: (iii)____________ posturing of questionable sincerity accompanied by an hint of real concessions.
If $$2x -3 = 5y+ 2,$$ then $$x- \frac{5}{2}y$$=
In the freshman class at College X, there are 400 students taking a certain French course and 500 students taking a certain English course. If 200 students in the freshman class are taking both the French course and the English course, how many students in the freshman class are taking the French course or the English course or both?
When the positive integer n is divided by 3, the remainder is 2, and when n is divided by 7, the remainder is 5.

Quantity A

n

Quantity B

29


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