9)
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A Simple Linear Regression (SLR) was performed where the monthly Revenue ("Rev", the y-variable) was regressed on the monthly Advertising Expenditures ("Expend", the x-variable). Excel was used to construct the 98% Confidence Interval (CI) estimate of . The Excel-generated Regression output is provided below:
a. Enter the value of the Left-Hand Endpoint (LHEP) of the 98% Confidence Interval (CI) estimate of B1 . Round off your answer to the fourth decimal place.
The LHEP of the 98% CI for B1, rounded off as instructed, is______
b. Enter the value of the Right-Hand Endpoint (RHEP) of the 98% Confidence Interval (CI) estimate of b1. Round off your answer to the fourth decimal place.
The RHEP of the 98% CI for b1, rounded off as instructed, is: ________
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