Logo
Home Study Material Contact Search
AI Chat FREE
  1. mathematics
  2. advance math
  3. an experiment was conducted to test the effect of

An experiment was conducted to test the effect of different lighting systems and the presence or...

60.1K

Verified Solution

Question

Advance Math

  1. An experiment was conducted to test the effect of differentlighting systems and the presence or absence of a watchman on theaverage number of car burglaries per month at a parking garage. Thedata are in the following table and also in the file GARAGE, wherethe variables are named BURGLAR, LIGHTING and WATCHMAN.

Lighting

Watchman

Mean Number of Burglaries

poor

no

2.80

good

no

1.00

poor

yes

2.40

good

yes

0.75

  1. Using the Lenth procedure, find which effect(s) (if any) appearsignificant.

effects

  1. Interpret all of these significant effects.
  2. Permanently upgrading the lighting in the garage will cost $700per month. Hiring awatchman will cost $3000 per month. It isestimated that lawsuits and loss of business cost on average $2000per burglary. Is it worth it to hire a watchman, install lights orboth?

Answer & Explanation Solved by verified expert
3.8 Ratings (518 Votes)
a The net mean burglaries of whole data is 2801002400754 17375 Since burglaries in scenario 1 and 3 are higher than the mean hence they are significant b If lighting is poor then the mean no    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

Q

1. How does the respiratory system respond to acidosis? Alkalosis? 2. Why is the urinary system the...

Medical Sciences
Q

Although mutations in the coding region of a genes can lead to changes in protein sequence...

Biology
Q

Answer the following by putting ( T ) if the statement is true and ( F...

Medical Sciences
Q

Please write a 700 word essay about Native American Psychologists and Psychology?

Psychology
Q

1. A 40.0-kg girl stands on a 15.0-kg wagon holding two 19.5-kg weights. She throws the...

Physics
Q

3 Hands of a clock suggest an angle whose measure is continually changing How many...

Geometry
Q

19 Perform the indicated operation and give the result with the proper number of significant...

Calculus
Q

Required information Use the following information to answer...

Accounting
Q

what do i need to do for the net income loss? can someone explain...

Accounting
Q

Mike and Jane's parents love them very much and want them to be happy and...

Accounting
Q

Toxaway Company is a merchandiser with two divisionsCommercial and Residential. The companys accounting intern was...

Accounting
Q

Invest Up Hardware operates a chain of hardware stores. Recent operations have been stable and...

Finance