Question

the score of an maths test out of 15 students as folliws
19,25,23,20,9,20,15,10,5,16,25,20,24,12,20
find mean median and the mode of data​

Answer 1

Mean= sum of observations/no of observations

Mean=19+25+23+20+9+20+15+10+5+16+25+20+24+12+20/15

Mean=263/15

Mean= 17.5333

Median=

Ascending order= 5, 9, 10, 12, 15, 16, 19, 20, 20, 20, 20, 23, 24, 25, 25

Middle number=20

Median=20

Mode=20

Median and mode is same

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