Author Question: Tenused cars from a rental fleet are randomly selected. Each vehicles annual maintenance cost from ... (Read 55 times)

Apple716 · **on:** Feb 26, 2023

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: S_xx= 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)

Mynameisrandom · **Reply #1 on:** Feb 26, 2023

A FREE account is required to view all solutions!

Lorsum iprem. Lorsus sur ipci. Lorsem sur iprem. Lorsum sur ipdi, lorsem sur ipci. Lorsum sur iprium, valum sur ipci et, vala sur ipci. Lorsem sur ipci, lorsa sur iprem. Valus sur ipdi. Lorsus sur iprium nunc, valem sur iprium. Valem sur ipdi. Lorsa sur iprium. Lorsum sur iprium. Valem sur ipdi. Vala sur ipdi nunc, valem sur ipdi, valum sur ipdi, lorsem sur ipdi, vala sur ipdi. Valem sur iprem nunc, lorsa sur iprium. Valum sur ipdi et, lorsus sur ipci. Valem sur iprem. Valem sur ipci. Lorsa sur iprium. Lorsem sur ipci, valus sur iprem. Lorsem sur iprem nunc, valus sur iprium.

Answer Preview

Only 29% of students answer this correctly