9) Click to see additional instructions What follows is a numeric fill in the blank question with 3 blanks. A Simple Linear Regression (SLR) was performed where the monthly Revenue ("Rev", the...


9)


Click to see additional instructions


What follows is a numeric fill in the blank question with 3 blanks.

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:








































































































ANOVA
dfSSMSFSignificance F
Regression1492.528125492.52812510.655256340.046980871
Residual3138.67187546.22395833
Total4631.2
CoefficientsStandard Errort StatP-valueLower 95%Upper 95%Lower 98.0%Upper 98.0%
Intercept23.13281255.3243109364.3447523590.0225104696.18847883340.07714617-1.04330138847.30892639
Expend3.10156250.9501640313.2642390140.0469808710.0777164896.125408511-1.2128500337.415975033

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:  ________



Jun 06, 2022
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