A sales manager of a large insurance company collects the data on annual income sales ($1000s) and years of experience of salespersons. (A) define explanatory and response variables. (B) comment on the pattern of the scatter plot. (C) the equation of the regression line is y = 80 + 4x. Find the value of slope and interpret what the slop measures in this situation. (D) find the value of y-intercept and interpret what it measures in this situation. (E) use the regression line equation to predict annual sales for a salesperson with 9 years of experience. (F) circle your answer. The correlation between the years of experience and annual sales is most likely to be? (I) 0.92 (ii) -.97 (iii) -0.45 (iv) 0.35
A sales manager of a large insurance company collects the data on annual income sales ($1000s) and years of experience of salespersons.
(A) define explanatory and response variables.
(B) comment on the pattern of the
(C) the equation of the regression line is y = 80 + 4x. Find the value of slope and interpret what the slop measures in this situation.
(D) find the value of y-intercept and interpret what it measures in this situation.
(E) use the regression line equation to predict annual sales for a salesperson with 9 years of experience.
(F) circle your answer. The
(I) 0.92 (ii) -.97 (iii) -0.45 (iv) 0.35
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