State two properties of regression coefficients.
Linear Regression
Original Khojo Papers practice question — not from a past board paper.
16/15, about 1.067
No citable source has been recorded for this record. Treat it as practice material, not as fact.
The coefficient is b(yx) = r × σy ÷ σx = 0.8 × 4 ÷ 3.
From the same topic and chapter, at a similar level.
State two properties of regression coefficients.
Linear Regression
Why are there two lines of regression rather than one?
Linear Regression
What are the two lines of regression, and what does the point of their intersection represent?
Linear Regression
If the two regression coefficients are 0.8 and 0.45, find the coefficient of correlation.
Linear Regression
If A = [[1, 2], [3, 4]] and B = [[0, 1], [1, 0]], find AB and BA and state whether they are equal.
Matrices
Find the projection of a = 2i + 3j + 2k on b = i + 2j + k.
Vectors