Question

EXAMPLE 10A mathematics teacher wants to see, whether the new technique of
teaching she applied after quarterly test was effective or not. She takes
the scores of the 5 weakest children in the quarterly test (out of 25) and
in the half yearly test (out of 25):
Quart
Students Ashish Anm Kavish Maya Rita
Halty
Quarterly 10 15 12 20
9
Half yearly 15 18 16 21 15
15
Marks​

Answer 1

Answer:

It is effective

Explanation:

There is consistent rise in marks of respective students which simply define teaching method effective as compared to quarterly test.