Top Posters
Since Sunday
w
5
a
3
j
2
a
2
t
2
u
2
r
2
j
2
j
2
l
2
d
2
y
2
Home Q & A Board Science-Related Homework Help Mathematics Statistics and Probability
New Topic  
pmiller1129 pmiller1129
wrote...
Go to Answer
Posts: 114
Rep: 0 0
A year ago
Ten used cars from a rental fleet are randomly selected. Each vehicle’s annual maintenance cost from the previous calendar year (y) is recorded as well as the vehicle’s current mileage (x). A simple linear regression is conducted on the data.

​

The regression equation is

Maint = 297 + 0.00636 Miles

​

Predictor    Coef SE       Coef       T       P

Constant       296.6      162.4    1.83   0.105

Miles       0.006357   0.003121    2.04   0.076

​

S = 279.775 R-Sq = 34.1% R-Sq(adj) = 25.9%

​

Analysis of Variance

​

Source            DF       SS      MS      F       P

Regression         1   324727  324727   4.15   0.076

Residual Error     8   626192   78274

Total              9   950919

​

What is a 98% confidence interval for the mean annual repair cost of all used vehicles with 22,500 miles.=> (Given: Sxx= 8,036,677,024 and\(\style{font-family:Times New Roman;}{\overline x}\)= $43,627.700.)



▸

$(120.00, 759.20)



▸

$(–431.51, 1,310.72)



▸

$(22,199.25, 22,800.75)



▸

$(128.29, 750.91)

Textbook 
Introductory Statistics: A Problem-Solving Approach

Introductory Statistics: A Problem-Solving Approach


Edition: 3rd
Author:
Read 53 times
1 Reply
Replies
Answer verified by a subject expert
NapoukahNapoukah
wrote...
#1
Posts: 144
Rep: 0 0
A year ago
Sign in or Sign up in seconds to unlock everything for free
More solutions for this book are available here
1

Related Topics

pmiller1129 Author
wrote...

A year ago
Thanks for your help!!
jasonbourne
wrote...

Yesterday
Good timing, thanks!
nadiia
wrote...

2 hours ago
Thanks
New Topic      
Quick Reply
Explore
Post your homework questions and get free online help from our incredible volunteers
  1427 People Browsing
Start New Topic Take the Tour CoursesNew Study Tools Topics Trending Browse by Textbook
Live Chat
Related Images
  
 1125
  
 2257
  
 730
Your Opinion
Previous poll results: Where do you get your textbooks?