For 26 companies operating in several technology industries, the accompanying data gives the expenses on research and development (R&D) and the totall assets of the companies. Both values are reported in millions of dollars. Complete parts a through e below. Data Table - X

Trigonometry (MindTap Course List)
10th Edition
ISBN:9781337278461
Author:Ron Larson
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ChapterP: Prerequisites
SectionP.3: The Cartesian Plane And Graphs Of Equations
Problem 7ECP
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(b) Estimate the least squares linear equation for R&D Expense on Assets. Interpret the fitted intercept and slope. Be sure to include their units. Note if either estimate represents a large extrapolation and is consequently not reliable. Complete the equation for the fitted line below. Estimated R&D Expense ($000,000) =.....+.....Assets ($000,000)
不
For 26 companies operating in several technology industries, the accompanying data gives the expenses on research and development (R&D) and the total
assets of the companies. Both values are reported in millions of dollars. Complete parts a through e below.
Data Table
Assets
2,355.011
3,572.196
1,654.756
474.261
3,468.979
2,999.138
1,745.197
225.588
185.109
726.623
3,699.776
1,493.357
1,756.779
R&D Expense
260.485
395.473
157.646
50.514
348.105
265.869
185.625
28.097
23.164
71.031
318.824
146.574
162.297
Assets
7,430.847
1,039.162
1,994.345
700.184
2,840.685
3,363.898
9,089.953
117.861
617.876
416.602
1,486.371
557.516
2,611.917
R&D Expense
651.428
117.302
212.346
73.132
307.546
341.672
960.028
17.196
56.753
46.645
146.788
63.489
230.125
Full data set
Pee
RATIONS
-
MINI
X
cceptable.
ope. Be sure to include their units. Note if
Transcribed Image Text:不 For 26 companies operating in several technology industries, the accompanying data gives the expenses on research and development (R&D) and the total assets of the companies. Both values are reported in millions of dollars. Complete parts a through e below. Data Table Assets 2,355.011 3,572.196 1,654.756 474.261 3,468.979 2,999.138 1,745.197 225.588 185.109 726.623 3,699.776 1,493.357 1,756.779 R&D Expense 260.485 395.473 157.646 50.514 348.105 265.869 185.625 28.097 23.164 71.031 318.824 146.574 162.297 Assets 7,430.847 1,039.162 1,994.345 700.184 2,840.685 3,363.898 9,089.953 117.861 617.876 416.602 1,486.371 557.516 2,611.917 R&D Expense 651.428 117.302 212.346 73.132 307.546 341.672 960.028 17.196 56.753 46.645 146.788 63.489 230.125 Full data set Pee RATIONS - MINI X cceptable. ope. Be sure to include their units. Note if
(c) Interpret the summary values and se associated with the fitted equation. Attach units to these summary statistics as appropriate. Does the value of 2
seem fair to you as a characterization of how well the equation summarizes the association?
2=
with
Se
with
(Round to three decimal places as needed.)
Transcribed Image Text:(c) Interpret the summary values and se associated with the fitted equation. Attach units to these summary statistics as appropriate. Does the value of 2 seem fair to you as a characterization of how well the equation summarizes the association? 2= with Se with (Round to three decimal places as needed.)
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