For a set of observations on variables x and y, the following summary statistics are given: n = 5, ∑x = 10, ∑y = 25, ∑xy = 70, ∑x 2 = 30. The…
CA Foundation · Quantitative Aptitude · PYQS · May 2026
For a set of observations on variables x and y, the following summary statistics are given: n = 5, ∑x = 10, ∑y = 25, ∑xy = 70, ∑x 2 = 30. The regression equation of y on x is expressed as: y = a + bx. What is the value of the slope b?
Suggested Answer and Working Notes:
Correct Answer: Option (D)
D. 2.0
Topics: Part-A: Business Mathematics, Part-C: Statistics
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