Question

find mean of data 38,42,35,37,45,50,32,43,43,40,36,38,43,38,47

Answer 1

40.46 is the answer by which 606÷15=40.46

Answer 2

Mean=sum of all observations by no.of observations .
38+42+35+37+45+50+32+43+40+36+38+43+38+37+43/15
607/15
=40.47






Hope it will be helpful