Question

find the mean median and mode of the following marks of 15 student on screen test out of 20 2,5,3,3,0,18,5,7,11,15,1,13,0,8,0

Answer 1

Answer:

Step-by-step explanation:

0,0,0,1,2,3,3,5,5,7,8,11,13,15,18

n = 15 ( odd )

Mean = Sum of all observations / number of observations

Mean = 0+0+0+1+2+3+3+5+5+7+8+11+13+15+18 / 15

Mean = 91/15 = 6.04

Median = (n+1) /2 ( since number of observations is odd)

Median = (15+1) / 2 = 16/2 = 8th

Median = 5

Mode = 0

Answer 2

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