A company that manufactures shuttle cars and mines for the coal mining industry has determined that "coal production in the US" is a fairly reliable three-quarter leading indicator of their sales. This quarter's coal production in the US can be obtained from the Department of Energy and it is used to obtain a forecast of their shuttle car and miner sales nine months from now. For the data provided, determine a linear equation based on regression analysis and prepare a forecast of company sales three quarters from now. Click the icon to view the data for the future sales and coal production. More Info The coefficient bo is .(Round to three decimal places.) The coefficient b₁ is (Round to three decimal places.) Future Sales (units/quarter), Coal Production in the US (103 tons/quarter), Quarter, t Y+3 ×₁ 1 341 173 2 355 147 3 248 106 4 406 184 5 421 233 6 375 169 7 341 210 8 267 121 9 289 118 10 489 271 11 (now) ? 198 Print Done - X
A company that manufactures shuttle cars and mines for the coal mining industry has determined that "coal production in the US" is a fairly reliable three-quarter leading indicator of their sales. This quarter's coal production in the US can be obtained from the Department of Energy and it is used to obtain a forecast of their shuttle car and miner sales nine months from now. For the data provided, determine a linear equation based on regression analysis and prepare a forecast of company sales three quarters from now. Click the icon to view the data for the future sales and coal production. More Info The coefficient bo is .(Round to three decimal places.) The coefficient b₁ is (Round to three decimal places.) Future Sales (units/quarter), Coal Production in the US (103 tons/quarter), Quarter, t Y+3 ×₁ 1 341 173 2 355 147 3 248 106 4 406 184 5 421 233 6 375 169 7 341 210 8 267 121 9 289 118 10 489 271 11 (now) ? 198 Print Done - X
Chapter1: Financial Statements And Business Decisions
Section: Chapter Questions
Problem 1Q
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Transcribed Image Text:A company that manufactures shuttle cars and mines for the coal mining industry has determined that "coal production in the US" is a fairly reliable three-quarter leading indicator of their
sales. This quarter's coal production in the US can be obtained from the Department of Energy and it is used to obtain a forecast of their shuttle car and miner sales nine months from
now. For the data provided, determine a linear equation based on regression analysis and prepare a forecast of company sales three quarters from now.
Click the icon to view the data for the future sales and coal production.
More Info
The coefficient bo is
.(Round to three decimal places.)
The coefficient b₁ is
(Round to three decimal places.)
Future Sales
(units/quarter),
Coal Production in the US
(103 tons/quarter),
Quarter, t
Y+3
×₁
1
341
173
2
355
147
3
248
106
4
406
184
5
421
233
6
375
169
7
341
210
8
267
121
9
289
118
10
489
271
11 (now)
?
198
Print
Done
-
X
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