Experts plzz solve ques 9 Calculate arithmetic mean using direc
Continuous Series
{Mean age at marriage = 24 years;
9. Compute the mean marks obtained by the students from the following data:
30—40
0—10
4
Students
10-20
6
20-30
10
20
10
{Mean = 30.2 marc;
10. Cornpute the mean marks obtained by the students from the following data:
4
St'"ents
7
9
8—12
16
12-16
8
10—12
25
16-20
6
11. Cabuiate the arithmetic average from the following data:
hers (in
BWkers
11
14
20
8—10
32
{Mean = 10.72 ma€
12—14 14—16 16-18
2
5
7
{Average Wages =
