Name:_______________________________ Date:_____________________
1. Sara Lee earned scores of 98, 100, 65, 78, 98, 35, 100, 100, 45, and 50 on her reading tests. What is the mean of her test scores?
2. A family decides to hold two Christmas parties, one on Christmas Eve and one on Christmas Day. The youngest person to attend the Christmas Eve party is 15 and the oldest is 29. The youngest person to attend the Christmas Day party is 27 and the oldest is 42. Which party has a larger age range of visitors?
3. Mary has received the following grades on her first 4 Math tests: 87, 93, 91 and 88. What grade must she receive on her 5th test to have an average of 90 in the class?
4. Three golfers are competing for the longest distance. Their longest distances in yards over a period of an hour are as follows:
First golfer: 260, 267, 234, 290, 267 Second golfer: 261, 260, 260, 273, 260 Third golfer: 287, 281, 276, 260, 281, Which golfer has the highest mode? 5. Consider the list of golf scores:
71, 68, 72, 79, 80, 77, 84, 70, 92, What is a median, mean, and range for the set?
6. The test results on a math exam were: 77, 66, 70, 83, 88, 64, 93 and 99. What is the median test score?
7. What is the mean, median, and mode of the following set of data? 50, 93, 64, 85, 47, 36, 24, 61, 48, 24, 73
8. A bakery sells 30 cupcakes at $3.00 each, 12 cakes at $20.00 each, and 40 loaves of bread at $4.00 each. What is the average price of an item sold? 9. Which of the following sets of numbers has the lowest median? Set 1: 321, 319, 371, 330, 306 Set 2: 300, 228, 364, 714, 324 Set 3: 209, 515, 536, 305, 345.
10. Mrs. Sabrina graded the spelling test for her sixth-grade class. The range in scores is 56. If the lowest grade is 42, what is the highest grade? 11. What is the median of the following set of data?
16, 98, 62, 31, 56, 51, 53, 27, 17, 43, 30
12. The maximum monthly temperatures for a city for one year are recorded below:
15.0, 16.4, 23.7, 35.1, 40.4, 42.2, 40.4, 38.7, 29.9, 23.6, 20.0, 15.2 (a) What is the mean maximum temperature for the year?
(b) What is the median temperature for the year?
13. The apartments in a building rent for the following amounts per month: $775, $550, $900, $550, $775, $800, $950, $550, What is the median rent? 14. If the heights of a group of students are 180 cm, 173 cm, 170 cm, 185 cm and 162 cm, what is the mean height for this group?
15. The following are amounts of rainfall, in inches: 36, 28, 38, 28, 30, 20, 35, 94, 37, 29. Find the median of the data.