Name________________________

MEAN/MEDIAN/MODE/RANGE #5--KEY

Directions: Calculate the mean, median, mode, and range for each set of numbers below. Round all answers to the nearest tenth. To find the mean of a set of numbers, add all of the data together, then divide that sum by the amount of numbers in the set. To find the median, list the numbers from least to greatest and select the middle value. The mode is the number that appears most often in the set. There could be more than one mode, or there could be no mode. To find the range, take the largest value in the set minus the smallest value.

Example: Here are the numbers in the set (2, 2, 4, 14, 6, 8)

Mean = (2 + 2 + 4 + 14 + 6 + 8) / 5 = 36/6 = 6 Median = (2,2,4,6,8,14) = (4+6)/2 = 5

Mode = 2 Range = 14 – 2 = 12

MEAN MEDIAN MODE RANGE

1) (0.10, 0.2, 0.9, 0.6, 0.8, 0.4) __0.4__ __0.7___ _none_ __0.8___

2) (0.5, 0.1, 0.1, 0.4, 0.6, 0.1, 0.4, 0.2) __0.3__ _0.3____ __0.1__ __0.5___

3) (2.2, 8, 10, 1.5, 12.2, 9, 6, 10, 1.2,) ___6.7_ __8_____ __10__ __11__

4) (0.1, 0.7, 0.5, 0.5, 0.6) 0.5(0.48) _0.5____ __0.5__ __0.6__

5) (3.2, 2, 4, 6, 8, 1) 4(4.03)_ _3.6_____ _none_ __7___

6) (21, 22, 12, 24, 20, 10, 9, 20.6) 17.3(17.325) _20.3____ _none_ __15__

7) (2, 10, 5, 6, 1.0, 4, 0.2, 8, 6, 4, 2) __4.38__ __4______ _2,4___ __9.8___

8) (99, 95, 100, 95, 99.5) __97.7__ __99_____ _95___ ___5__

9) (6, 5, 6, 5, 5, 6, 5, 6) __5.5__ __5.5_____ __5___ __1___

10) (54, 45, 44, 55, 45, 54, 4.4, 44, 55.5, 54) 45.5(45.49) __49______ __54__ _51.1__