A local bank claims that the waiting time for its customers to be served is the lowest in the area. A competitor bank checks the waiting times at both banks. The sample statistics are listed below. Test the local bank’s claim. Use the information given below. Use a significance level of .05 and assume the variances are equal.   Sample statistics for a local bank and a competitor's bank Sample size Local Bank n1=46 Competitor Bank n2=50 Average waiting time in minutes for each sample X¯¯¯1=2.3 mins. X2__ =2.6 Sample Standard Deviation of each Sample s1= 1.1 mins s2=1.0 mins. Are the samples dependent or independent? answered State your Null/Alternative hypotheses? Answered What is the test-statistic? Answered What is the p-value? answered What are the critical values? answered Does the test-statistic lie in the rejection region? answered Interpret the Result? Does the result change for a different value of alpha? Explain?

Elementary Geometry For College Students, 7e
7th Edition
ISBN:9781337614085
Author:Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:Alexander, Daniel C.; Koeberlein, Geralyn M.
Chapter7: Locus And Concurrence
Section7.2: Concurrence Of Lines
Problem 28E
icon
Related questions
Question

A local bank claims that the waiting time for its customers to be served is the lowest in the area. A competitor bank checks the waiting times at both banks. The sample statistics are listed below. Test the local bank’s claim. Use the information given below. Use a significance level of .05 and assume the variances are equal.

 

Sample statistics for a local bank and a competitor's bank

Sample size

Local Bank

n1=46

Competitor Bank

n2=50

Average waiting time in minutes for each sample X¯¯¯1=2.3 mins. X2__ =2.6
Sample Standard Deviation of each Sample s1= 1.1 mins s2=1.0 mins.
  1. Are the samples dependent or independent? answered
  2. State your Null/Alternative hypotheses? Answered
  3. What is the test-statistic? Answered
  4. What is the p-value? answered
  5. What are the critical values? answered
  6. Does the test-statistic lie in the rejection region? answered
  7. Interpret the Result?
  8. Does the result change for a different value of alpha? Explain?
General Ed. task
) The Samples are indeperdent
D Nall d At. Hepothesis.
Ho tl, = Uz
t=2.3-2.6
3)
10-2
4)P-value: O.8H
Lef tailed
5critial value: -L.lolel
Transcribed Image Text:General Ed. task ) The Samples are indeperdent D Nall d At. Hepothesis. Ho tl, = Uz t=2.3-2.6 3) 10-2 4)P-value: O.8H Lef tailed 5critial value: -L.lolel
Expert Solution
trending now

Trending now

This is a popular solution!

steps

Step by step

Solved in 2 steps

Blurred answer
Similar questions
  • SEE MORE QUESTIONS
Recommended textbooks for you
Elementary Geometry For College Students, 7e
Elementary Geometry For College Students, 7e
Geometry
ISBN:
9781337614085
Author:
Alexander, Daniel C.; Koeberlein, Geralyn M.
Publisher:
Cengage,
Glencoe Algebra 1, Student Edition, 9780079039897…
Glencoe Algebra 1, Student Edition, 9780079039897…
Algebra
ISBN:
9780079039897
Author:
Carter
Publisher:
McGraw Hill