The table below shows the numbers of​ new-vehicle sales​ (in thousands) for Company 1 and Company 2 for 11 years. Construct and interpret a 99​% prediction interval for​ new-vehicle sales for Company 2 when the number of new vehicles sold by Company 1 is 2600 thousand. The equation of the regression line is y=1.228x+331.966

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Author:Amos Gilat
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100%

The table below shows the numbers of​ new-vehicle sales​ (in thousands) for Company 1 and Company 2 for 11 years. Construct and interpret a

99​%

prediction interval for​ new-vehicle sales for Company 2 when the number of new vehicles sold by Company 1 is

2600

thousand. The equation of the regression line is y=1.228x+331.966

Company_1,_x    Company_2,_y
4093    4929
3976    4820
3557    4800
3411    4732
3296    4619
3102    4487
2859    4048
2488    3809
1970    2919
1625    2002
1946    2176

Construct and interpret a
99​%
prediction interval for​ new-vehicle sales for Company 2 when the number of new vehicles sold by Company 1 is
2600
thousand. Select the correct choice below and fill in the answer boxes to complete your choice.
​(Round to the nearest cent as​ needed.)
 
A.
There is a
99​%
chance that the predicted​ new-vehicle sales for Company 2 is between
enter your response here
and
enter your response here
​thousand, given that the​ new-vehicle sales for Company 1 is
2600
thousand.
 
B.
We can be
99​%
confident that when the​ new-vehicle sales for Company 1 is
2600
​thousand, the​ new-vehicle sales for Company 2 will be between
enter your response here
and
enter your response here
thousand.

 

 

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