Sheet # 847
D. 33
2. The range of prices of TV sets at the electronics store is $500. If the lowest price is $350, what is the highest price?
D. $850
3. After 5 tests, Whitney's mean test score was 79. After she scored 85 on the sixth test, what was her new mean?
D. 85
4. Half of Don's class received 80 on the first science quiz, one-fourth of the class received 70, and one-fourth received 90. What is the mode of the class scores?
D. 90
5. A group of 13 students all have different weights. If the median weight of the group is 72 pounds, how many students weigh 72 pounds or less than 72 pounds?
D. 10
6. The mean weight of seven students is 72 pounds. What is the mean weight of these 7 students, and Margo, who weighs 64 pounds?
D. 68
7. The mean number of days that students were absent in the fifth grade last year was 4. If the total number of days students were absent was 244, then how many students arein the fifth grade?
D. 61
8. If the mean for a set of numbers was 81, which of the following numbers could be the set of numbers?
D. 95, 75, 70, 65, 60
9. Mrs. Smith is 73 years old. Her 4 great grandchildren are 2 years old, 8 years old, 7 years old, and 5 years old. What is the mean age of Mrs. Smith's grandchildren.
D. 6.5
10. Emily's dad promised to buy her a new basketball if her median score was at least 12 points for the first 7 basketball games of the season. Emily's scores for the first 6 games were 15, 7, 12, 9, 14, and 5. How many points does Emily have to score in the 7th game?
D. 11
11. If the median of the number of runs a baseball team got in the last 7 games is 5, what conclusion could you make?
A. This team never scored 10 runs in a game.
B. This team never scored 3 runs in a game.
C. This team scored 7 runs in two games.
D. The team scored 5 runs at least once.
12. Ann is 64 inches tall. Bill is 66 inches tall. Carl is 72 inches tall. Donna is 68 inches tall. Ellen is 60 inches tall. Whose height is the average of Ellen's height and Carl's height?
D. Donna
13. Given the following set of numbers, find the mean and mode: 13, 15, 11, 13, 7, 8, 15, 7, 4, 7.
D. Mean=10 Mode=7
14. Find the median and range for the following numbers: 7, 2, 8, 24, 9.
D. Median=7 Range=26
15. Andy, Randy and Sandy are brothers. Andy, the oldest, is the only brother whose age is an even number. Randy is the youngest. The boys' age range is 7 years. Their mean age is 12, yet no one is that age. How old is Andy?