Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. statistics
  3. nacirema airlines is buying a fleet of new fuel-ef

Nacirema Airlines is buying a fleet of new fuel-efficient planes. The HogJet and the LitheJet both...

90.2K

Verified Solution

Question

Statistics

Nacirema Airlines is buying a fleet of new fuel-efficientplanes. The HogJet and the LitheJet both meet their price andperformance needs, and both planes meet EPA noise guidelines.However, the quieter plane is preferred. Each plane is flownthrough a typical takeoff and landing sequence 10 times, whileremote sensors at ground level record the noise levels (indecibels).
The average noise levels from these 10 flights are 80.34 forLitheJet and 82.47 for HogJet, the pooled variance is reported tobe equal to 2.73.
Is there enough evidence to conclude that LitheJet planes arequieter?

Show how to calculate test statistics, p val, etc forconclusion.

Answer & Explanation Solved by verified expert
3.6 Ratings (486 Votes)
n1 10 8034n2 10 8247pooled variance 273pooled standard deviation Sp165227Null and    See Answer
Get Answers to Unlimited Questions

Join us to gain access to millions of questions and expert answers. Enjoy exclusive benefits tailored just for you!

Membership Benefits:
  • Unlimited Question Access with detailed Answers
  • Zin AI - 3 Million Words
  • 10 Dall-E 3 Images
  • 20 Plot Generations
  • Conversation with Dialogue Memory
  • No Ads, Ever!
  • Access to Our Best AI Platform: Flex AI - Your personal assistant for all your inquiries!
Become a Member

Other questions asked by students

Geometry
1.2K views

E F 3 mZE 8 Write your answer as an integer or as a decimal...

Basic Math
1.2K views

You are looking to spruce up your garden by making a rectangular enclosure using a wall...

Statistics
1.2K views

Each student arrives in office hours one by one, independently of each other, at a steady...

Psychology
1.2K views

Poster Activity Choose a psychologist (Ivan pavolov) you find of interest from the provided list and develop...

Physics
1.2K views

In YDSE both slits produce equal intensities on the screen A 100 transparent thin film...

Calculus
1.2K views

For the function y f x x 4x 1 x 2 find 1 3 200...

Algebra
1.2K views

The motion of a racecar is described by the formula d t 35t 5t2 where...

Algebra
1.2K views

Given A 2 2 1 44 and 4 4 2 What is A

Accounting
1.2K views

Question 2 of 5 -10 REI sells snowboards. Assume the following information relates...

Accounting
1.2K views

Part 1 of 5 Points: 0 of 1 Top - Notch...

Accounting
1.2K views

Given the following balance sheet and income statement data for the year ended December 31,...

Accounting
1.2K views

1. One of the advantages of having chaplains available to employees is that a chaplain_____....