If y = 3x + 4 is the regression line of y on x and the arithmetic mean of x is 1, what is the arithmetic mean of y?
CA Foundation · Quantitative Aptitude · MTP · September 2024
If y = 3x + 4 is the regression line of y on x and the arithmetic mean of x is 1, what is the arithmetic mean of y?
Suggested Answer and Working Notes:
Correct Answer: Option (A)
A. 1
Topics: Part-C: Statistics
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