Question

The score in mathematics test(out of 25) of 15 students are 19+25+23+20+19+15+20+18+7+9+8+15+20+25+20. Find the mean

Answer 1

see I will tell u the method how to do this.

Answer 2

$(19 + 25 + 23 + 20 + 19 + 15 + 20 + 18 + 7 + 9 + 8 + 15 + 20 + 25 + 20 ) \div 15$