A corporation owns several companies. The strategic planner for the corporation believes dollars spent on advertising can to some extent be a predictor of total sales dollars. As an aid in long-term planning, she gathers the following sales and advertising information from several of the companies for 2019 ($ millions). E Advertising 12.5 3.7 21.6 60.0 37.6 6.1 16.8 41.2 Sales 148 55 338 994 541 89 126 379 Develop the equation of the simple regression line to predict sales from advertising expenditures using these data. Do not round the intermediate values. (Round your answers to 3 decimal places.) + X

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.2: Representing Data
Problem 22PFA
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A corporation owns several companies. The strategic planner for the corporation believes dollars spent on advertising can to some
extent be a predictor of total sales dollars. As an aid in long-term planning, she gathers the following sales and advertising information
from several of the companies for 2019 ($ millions).
E
Advertising
12.5
3.7
21.6
60.0
37.6
6.1
16.8
41.2
Sales
148
55
338
994
541
89
126
379
Develop the equation of the simple regression line to predict sales from advertising expenditures using these data.
Do not round the intermediate values. (Round your answers to 3 decimal places.)
+
X
Transcribed Image Text:A corporation owns several companies. The strategic planner for the corporation believes dollars spent on advertising can to some extent be a predictor of total sales dollars. As an aid in long-term planning, she gathers the following sales and advertising information from several of the companies for 2019 ($ millions). E Advertising 12.5 3.7 21.6 60.0 37.6 6.1 16.8 41.2 Sales 148 55 338 994 541 89 126 379 Develop the equation of the simple regression line to predict sales from advertising expenditures using these data. Do not round the intermediate values. (Round your answers to 3 decimal places.) + X
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