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Chynnab7416
14.07.2020 •
Mathematics
Now that we have our linear regression model, let’s try to make a prediction for the sales given a new set of advertising budgets as follows: new.dat <- data.frame(TV=200, Radio=10, Newspaper=20) You are required to report the predicted sales as well as the lower and upper bound for the 95% prediction interval. What will you report?
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Ответ:
The predicted sales for the new set of advertising budgets is 14.
Step-by-step explanation:
The linear regression model is:
Compute the value of sales for:
TV = 200,
Radio = 10,
Newspaper = 20
Thus, the predicted sales for the new set of advertising budgets is 14.
Ответ:
The working is on the picture