1. Refer to the set of data below. If 15 were removed from the set of data, which values would change? A. range and mean B. range C. mode D. mean, median, and range Hint 2. An infant weighs 7 pounds at birth. Assuming that she gains 1 pound every 2 weeks, how much will she weigh in 10 weeks? A. 12 pounds B. 17 pounds C. 7 pounds D. 5 pounds Hint 3. What would you predict your resting heart rate would be if you exercise 25 minutes per day? A. 100 B. 120 C. 70 D. 50 Hint 4. The mean is the _______ of a set of numbers. A. highest number B. arithmetic average C. most frequent D. middle number Hint 5. Which interval has the most values? A. 90-99 B. 10-19 C. 70-79 D. 60-69 Hint 6. Which statistic reveals the least about the increase in the following average gasoline prices for seven consecutive weeks? \$1.05, \$1.05, \$1.05, \$1.55, \$1.65, \$1.75, \$2.00 A. range B. median C. mode D. mean Hint 7. A realtor is examining data on average home prices in four separate neighborhoods for the past year. Which graph gives the most accurate representation of the home prices in a neighborhood? A. B. C. D. Hint 8. Find the next term in the sequence 3, 9, 15, 21, … A. 36 B. 27 C. 63 D. 25 Hint 9. Evaluate x - y if x = 2 and y = 7. A. 5 B. -5 C. 9 D. -9 Hint 10. Solve x = -28 ÷ 7. A. 21 B. -21 C. 4 D. -4 Hint 11. The prices of a certain type of calculator in eight different retail stores are; \$70 \$75 \$80 \$80 \$85 \$90 \$95 \$105. Which of the tables is a frequency table of the prices? A. B. C. D. Hint 12. How much money do you predict Classic Comics will make on the Internet in July? A. \$120 B. \$100 C. \$130 D. \$110 Hint 13. Solve z = -15 - 7. A. -8 B. 22 C. 8 D. -22 Hint 14. Evaluate x – y if x = 8 and y = -5. A. -13 B. 13 C. 3 D. -3 Hint 15. Use the Distributive Property to find (7 - 4)8 written as an equivalent expression. Then evaluate the expression. A. 8 - 7 · 8 - 4; 4 B. 7 · 8 - 8 - 4; 24 C. 7 · 8 - 4 · 8; 24 D. 7 · 8 - 4 · 8; 416 Hint 16. A steak dinner including filet mignon, a baked potato, and green beans costs \$20. A slice of apple pie can be added for \$6 more. How much would it cost a family of 5 to each have a steak dinner and apple pie? A. \$130 B. \$106 C. \$26 D. \$50 Hint 17. Rewrite a + (b + c) using the Associative Property. A. a + b + c + 0 B. (a + b) + c C. (c + b) + a D. ab + ac Hint 18. Describe and identify the pattern in the sequence.6, 7, 9, 12, 16, … A. Add 2 to the first term, add 4 to the second term, and so on; neither arithmetic nor geometric B. ×2; geometric C. Add 1 to the first term, add 2 to the second term, and so on; neither arithmetic nor geometric D. +1; arithmetic Hint 19. Describe and identify the pattern in the sequence.0.3, 0.6, 1.2, 2.4, … A. +2; arithmetic B. ×2; geometric C. ×0.2; geometric D. +0.3; arithmetic Hint 20. Both bar graphs show the amount it costs to heat a two-story house during the winter. Which graph is misleading? Explain. A. Graph A; the months are not ordered from greatest to least cost. B. Graph B; the months are not ordered from least to greatest cost. C. Graph A; there is no break in the vertical scale, the cost of heating the house in December and February are about the same. D. Graph B; there is a break in the vertical scale, the cost of heating the house in January appears to be much greater than heating the house in November. Hint