Question

The scores in the mathematics test (out of 25) of 15 students is as follows:
19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20.
Find the mean, of this data.

Answer 1

Answer:

17.533333..

Step-by-step explanation:

Given,

data=19, 25, 23, 20, 9, 20, 15, 10, 5, 16, 25, 20, 24, 12, 20.

mean=sum of observations/no.of observations

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

= 263/15

=17.53333333..