Questions 1 to 3 are based on the following data.

1.

If the dollar amount of sales at Store P was $800,000 for 2006, what was the dollar amount of sales at that store for 2008 ? (A)$727,200
(B) $792,000 (C)$800,000
(D) $880,000 (E)$968,000

2.  At Store T, the dollar amount of sales for 2007 was what percent of the dollar amount of sales for 2008 ?
Give your answer to the nearest 0.1 percent.

3.  Based on the information given, which of the following statements must be true?
Indicate all such statements. 

A For 2008 the dollar amount of sales at Store R was greater than that at each of the other four stores. 
B The dollar amount of sales at Store S for 2008 was 22 percent less than that for 2006. 
C The dollar amount of sales at Store R for 2008 was more than 17 percent greater than that for 2006.

4. A list of numbers has a mean of 8 and a standard deviation of 2.5. If x is a number in the list that is 2 standard deviations above the mean, what is the value of x ?

5.

The circle graph above shows the distribution of 200,000 physicians by specialty. Which of the following sectors of the circle graph represent more than 40,000 physicians?
Indicate all such sectors.

(A) Pediatrics
(B) Internal Medicine
(C) Surgery
(D) Anesthesiology
(E) Psychiatry

6.

List X and list Y each contain 60 numbers. Frequency distributions for each list are given above. The average (arithmetic mean) of the numbers in list X is 2.7, and the average of the numbers in list Y is 7.1. List Z contains 120 numbers: the 60 numbers in list X and the 60 numbers in list Y.

 Quantity A Quantity B The average of the 120 numbers in list Z The median of the 120 numbers in list Z

7. In the course of an experiment, 95 measurements were recorded, and all of the measurements were integers. The 95 measurements were then grouped into 7 measurement intervals. The graph above shows the frequency distribution of the 95 measurements by measurement interval.

 Quantity A Quantity B The average (arithmetic mean) of the 95 measurements The median of the 95 measurements

Questions 8 to 9 are based on the following data.

8.

For which year was the ratio of the Security holes to Bugs fixed by the software company the greatest?

(A) 1998
(B) 1999
(C) 2000
(D) 2001
(E) 2002

9.  If the total number of software problems solved is a direct measure of the company’s capability, then by approximately what percent did capability increase from 1999 to 2002?

(A) 10%
(B) 20%
(C) 30%
(D) 40%
(E) 50%

Questions 10 to 12 are based on the following data.

The Difficulty Factor of the exam is the sum of the products of the number of questions of each type and the corresponding difficulty level. The Stress Factor is the Difficulty Factor divided by the Average Time Per Question

10. By approximately what percent did the number of questions decrease in CET 1994 over the previous year?

(A) 16%
(B) 19%
(C) 35%
(D) 40%
(E) 50%

11. The Difficulty Factor is the greatest for which one of the following exams?

(A) CET 1990
(B) CET 1991
(C) CET 1992
(D) CET 1993
(E) CET 1994

12. Which one of the following exams has been marked as having the highest Stress Factor?

(A) CET 1990
(B) CET 1991
(C) CET 1992
(D) CET 1993
(E) CET 1994

13. If a set of data consists of only the first ten positive multiples of 5, what is the interquartile range of the set?

(A) 15
(B) 25
(C) 27.5
(D) 40
(E) 45

14. On a given math test out of 100 points, the vast majority of the 149 students in a class scored either a perfect score or a zero, with only one student scoring within 5 points of the mean. Which of the following logically follows about Set T, made up of the scores on the test?
Indicate all such statements.
A. Set T will not be normally distributed.
B. The range of Set T would be significantly smaller if the scores had been more evenly distributed.
C. The mean of Set T will not equal the median.

15. If Set X is a normally distributed set of numbers with a mean of 4 and a standard deviation of 4, approximately what is the probability that a number chosen at random from the set will be negative?

(A) 1/10
(B) 1/6
(C) 1/4
(D) 1/3
(E) 1/2

1 B
2 108.7%
3 C
4 13
5 A, B, C
6 B
7 A
8 B
9 B
10 A
11 A
12 A
13 B
14 A
15 B