Question

A Psychologist use regression
analysis to study the usage of
Whats app and Facebook by
students found that the average
number of hours/week (ANH)
spent has effect on the marks
obtained (MO) by them in
exams. Bivariate data were
collected form 5 boys and girls
as, ANH : 14 12 13 6 8 and MO:
55 68 70 80 75. If boys and girls
spent 10 hrs/week on Whats app
and Facebook, the expected
marks is

Answer 1

Step-by-step explanation:

They get low mark in every subject.