Question

Refer to the data in Exercise 11.44. The student with 14 years of experience with a starting salary of $ 97,900 was hired by a family business. In return for a low starting salary, the student received a large equity share in the firm.
a. Would the data value associated with this student be considered a high leverage or a high influence data value?
b. Would the slope increase or decrease if this point was removed from the analysis?
c. In which direction (larger or smaller) would the removal of this data point change the residual standard deviation?
d. How would the removal of this data point change the correlation?
In exercise


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  • CreatedNovember 21, 2015
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