Question

12. The following sample gives the number
of hours of study (1) per day for an
examination and marks (Y) obtained by 12
students.
X 3 3 3 4 4 5 5 5 6 6 7 8
Y 45 60 55 60 75 70 80 75 90 80 75 85
Obtain the line of regression of marks on
hours of study​

Answer 1

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