Question Details

Answered: - a study compared fuel economics for two types of trucks . Twelve


a study compared fuel economics for two types of trucks . Twelve Volkswagen trucks used in the study gave an average of 16 km per litre with a standard deviation of 0.1km per litre, while 10 toyota trucks gave am average of 11km per litre with a standard deviation of 0.8km per litre,?

assuming that the distance per litre for each truck mode are approximately normally distributed.


A) construct a 90% confidence interval for the difference between the average kilometers per litre of these two trucks assuming the population variance are equal.

b) construct a 90% confidence interval for a1/ a1??? where a1 and a2 are respectively the standard deviation for the distances obtained per litre of fuel by the Volkswagen and Toyota trucks ,


c)? were we justified in assuming that the population variance are equal in oart (a)? why?


show all your working?

 


Solution details:
STATUS
Answered
QUALITY
Approved
ANSWER RATING

This question was answered on: Oct 07, 2020

PRICE: $15

Solution~0002198017.zip (25.37 KB)

Buy this answer for only: $15

This attachment is locked

We have a ready expert answer for this paper which you can use for in-depth understanding, research editing or paraphrasing. You can buy it or order for a fresh, original and plagiarism-free copy (Deadline assured. Flexible pricing. TurnItIn Report provided)

Pay using PayPal (No PayPal account Required) or your credit card . All your purchases are securely protected by .
SiteLock

About this Question

STATUS

Answered

QUALITY

Approved

DATE ANSWERED

Oct 07, 2020

EXPERT

Tutor

ANSWER RATING

GET INSTANT HELP/h4>

We have top-notch tutors who can do your essay/homework for you at a reasonable cost and then you can simply use that essay as a template to build your own arguments.

You can also use these solutions:

  • As a reference for in-depth understanding of the subject.
  • As a source of ideas / reasoning for your own research (if properly referenced)
  • For editing and paraphrasing (check your institution's definition of plagiarism and recommended paraphrase).
This we believe is a better way of understanding a problem and makes use of the efficiency of time of the student.

NEW ASSIGNMENT HELP?

Order New Solution. Quick Turnaround

Click on the button below in order to Order for a New, Original and High-Quality Essay Solutions. New orders are original solutions and precise to your writing instruction requirements. Place a New Order using the button below.

WE GUARANTEE, THAT YOUR PAPER WILL BE WRITTEN FROM SCRATCH AND WITHIN YOUR SET DEADLINE.

Order Now