Question

2. Find the mean, median, mode, and range of the following groups:
(a) 2, 4, 6, 7, 9, 7, 4, 6, 8, 10, 7, 14
(b) 55, 60, 45, 55, 60, 65, 70, 60, 79
(c) 33, 41, 25, 33, 27, 33, 35, 45


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Answer 1

Mean:2+4+6+7+9+7+4+6+8+10+7+14/12=7

Median:2+4+4+6+6+7+7+7+8+9+10+14=14

Mode:7

Range:12

Answer 2

Step-by-step explanation:

(a) : mean = 2+4+6+7+9+7+4+6+8+10+7+14

_____________________________

12

= 84÷12 = 7

mode = arrange the numbers with same value

= 2,4,4,6,6,7,7,7,8,9,10,14

therefore mode = mode of this data is 7 because it occurs more frequently than other observations.

median = 7