Multiple Choice
the equation Y = a + bX,the objective of regression analysis is to
A) estimate the parameters a and B
B) estimate the variables Y and X.
C) fit a straight line through the data scatter in such a way that the sum of the squared errors is minimized.
D) both a and c
Correct Answer:
Verified
Correct Answer:
Verified
Q2: a linear regression equation of the form
Q3: Tests for statistical significance must be performed<br>A)because
Q4: An estimator is unbiased if it produces<br>A)a
Q5: a linear regression equation of the
Q6: sample regression line<br>A)shows the actual (or true)relation
Q7: The quadratic equation Y = a +
Q8: The critical value of t is the
Q9: To test whether the overall regression equation
Q10: a linear regression equation Y = a
Q11: Which of the following is an example