Free Correlation and Regression MCQs with Answers
23 Correlation and Regression MCQs from Statistics, each with the correct answer and a written explanation of why it is correct. Free and unlimited, with no account needed.
Last updated
23 questions · page 2 of 2
- A. by
- B. byx
- C. bzx
- D. m
Explanation: The regression coefficient of y on x is conventionally written as b_yx, often typed as byx.
Correct answer: byx- A. Dependent
- B. Independent
- C. Scale
- D. Both
Explanation: Regression coefficients do not change when the origin of measurement is shifted, although they can change when the scale is changed.
Correct answer: Independent- A. (x,y)
- B. (X,Y)
- C. (X,Z)
- D. x/y
Explanation: Both least-squares regression lines pass through the point formed by the means of the two variables, written as (X̄, Ȳ).
Correct answer: (X,Y)