Question

Find the arithmetic mean of the following
data.
Number of students
5
10
15
17
13
Total 60
Marks
0-10
10-20
20–30
30-40
40-50
​

Answer 1

Answer:

ARITHMETIC MEAN HAS 3 FORMULAE.

Step-by-step explanation:

SUPPOSE,

SIGMA FX/SIGMA F

FIND SIGMA FX VALUE AND THEN SIGMA F