question archive Carefully review the slides in pages 22 ~ 39 of W7(Period2), and do the followings in Radiant and create a report in a word document 1
Carefully review the slides in pages 22 ~ 39 of W7(Period2), and do the followings in Radiant and create a report in a word document 1
Subject:ManagementPrice: Bought3
Carefully review the slides in pages 22 ~ 39 of W7(Period2), and do the followings in Radiant and create a report in a word document
1. Visualization
?Obtain scatter plots of Sales vs. Price, and Sales vs. Ads, and explain the relationship from your visual inspection of data
?Obtain bar plots of Sales by Thanksgiving and Christmas, and explain and interpret the differences
2. Effects of control variables
?Regress Sales on Price, then interpret the coefficient
?Regress Sales on Price, Thanksgiving, then explain how coefficient changes
?Regress Sales on Price, Thanksgiving, Christmas then explain how coefficient changes
?Repeat this for Ad Spend instead of Price
3. Regression analysis
?Regress Sales on Price, Ad Spend, Thanksgiving, and Christmas
?Interpret all four coefficients
