A study was conducted into the effectiveness of television advertising. A random sample of target companies was taken, a

[answerhappygod]

A Study Was Conducted Into The Effectiveness Of Television Advertising A Random Sample Of Target Companies Was Taken A 1 (15.46 KiB) Viewed 64 times

A Study Was Conducted Into The Effectiveness Of Television Advertising A Random Sample Of Target Companies Was Taken A 2 (15.37 KiB) Viewed 64 times

A Study Was Conducted Into The Effectiveness Of Television Advertising A Random Sample Of Target Companies Was Taken A 3 (5.78 KiB) Viewed 64 times

A Study Was Conducted Into The Effectiveness Of Television Advertising A Random Sample Of Target Companies Was Taken A 4 (18.75 KiB) Viewed 64 times

A Study Was Conducted Into The Effectiveness Of Television Advertising A Random Sample Of Target Companies Was Taken A 5 (16.46 KiB) Viewed 64 times

plz

A Study Was Conducted Into The Effectiveness Of Television Advertising A Random Sample Of Target Companies Was Taken A 6 (6 KiB) Viewed 64 times

A study was conducted into the effectiveness of television advertising. A random sample of target companies was taken, all of which spent a moderate amount on television advertising for similar priced goods. The amount of money spent on advertising is estimated and the number of units they sold recorded. It was of interest to build a model to explain the number of units sold using the amount spent on advertising. The resulting data is in the file Sales.csv and includes variables: Sales The number of units sold in 1,000s). TV The amount spent on television advertising classified as either Low if under US $120,000, Medium if between US $120,000 and $200,000 and High if over US $200,000).

Sales by TV spend Low TV Medium High 10 15 20 25 Sales

Sample Size <dl> 67 High Medium Low Mean <dl> 18.39403 15.08868 11.27333 Median <dl> 18.9 14.9 11.0 Std Dev <dl> 4.518812 3.329221 2.090281 Midspread <dbl> 7.15 4.70 2.70 53 45

log(Sales) by TV spend Low TV Medium High 2.2 2.4 2.6 2.8 3.0 32 log(Sales)

AX 12 data frame data frame Sample Size <db-> 67 53 High Medium Mean <dbls 2.880810 2.690477 2.406416 Median <dl> 2.939162 2.701361 2.397895 Std Dev <dl> 0.2552645 0.2183810 0.1792930 Midspread <dl> 0.3941166 0.3170097 0.2455706 Low 45 TO

appropriate linear Model and Check Assumptions {r,fig. height=4,fig.width=6}