The marks scored by 20 students of class 7 in a class test (out of 25) are given
below:
11, 16, 13, 14, 17, 19, 21, 12, 22, 16, 17, 19, 20, 17, 11, 12, 20, 19, 17 and 18
Find i) arithmetic mean ii).Median and iii).Mode marks.
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Answer:
Mark it as brainliest
Re arrangements
11,11,12,12,13,14,16,16,17,17,17,17,18,19,19,19,20,20,21,22
total n=20
therefore
Mean (Average)= 16.55
Median = 17
Mode= 17, appeared 4 times
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