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# Mean, Median, Mode, and Range (Grade 9)

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## Mean, Median, Mode, and Range

1.
Find the mean, median, and mode for the data set {15, 12, 10, 18, 5}.
1. mean 10, median 12, mode 15
2. mean 11, median 12, mode 12
3. mean 12, median 12, mode none
4. mean 12, median 12, mode 12
2.
What is the median of the following data set?
{18, 19, 19, 21, 25, 28, 31}
1. 19
2. 21
3. 20
4. 25
3.
The final eight scores for a basketball team were recorded during the season. What is the range of scores?
45, 60, 62, 54, 48, 69, 51, 40
1. 8
2. 29
3. 40
4. 69
4.
Sam earned the following scores on his math tests: 98, 100, 62, 76, 89, 45, 100, 100, 35, and 55. What is the mean of his tests scores?
1. 68
2. 67
3. 760
4. 76
5.
The following high temperatures were recorded in Chicago for eight days in October. What is the median temperature?
50, 52, 51, 50, 54, 53, 50, 53
1. 50
2. 50.5
3. 51.5
4. 53
6.
Mr. Smith teaches five classes. The number of students in each class is listed below. What is the average number of students in his classes?
32, 30, 26, 31, 29
1. 26.0
2. 29.0
3. 29.6
4. 31.0
7.
Jasmine is part of a bowling league and wants to beat the team record of an average score of 240 out of 300 possible points per game. Her scores for the first five games are 252, 227, 210, 198, 242. What must Jasmine score in her sixth game to beat the team record for average points per game?
1. 228
2. 238
3. 242
4. 273
5. The average is not achievable.
8.
Find the mean, the median, the mode, and the range for the following set of numbers:
15, 27, 10, 18, 13, 13, 16, 20, 12, 11, 15

mean:
median:
mode:
range:
9.
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 mode temperature for the year?

c. What is the median temperature for the year?
10.
Andy has grades of 84, 65, and 76 on three math tests. What grade must he obtain on the next test to have an average of exactly 80 for the four tests?

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