Question

& Compute the arithmetic mean for the following data:
Marks obtained
Number of students
Less than 10
14
Less than 20
22
Less than 30
37
Less than 40
58
Less than 50
67
Less than 60
75
The above dat may​

Answer 1

Answer:

45.5

14+22+37+58+67+75=273

number of observations =6

273÷6=45.5