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?

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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
Recommended textbooks for you
MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
Statistics
ISBN:
9781119256830
Author:
Amos Gilat
Publisher:
John Wiley & Sons Inc
Probability and Statistics for Engineering and th…
Probability and Statistics for Engineering and th…
Statistics
ISBN:
9781305251809
Author:
Jay L. Devore
Publisher:
Cengage Learning
Statistics for The Behavioral Sciences (MindTap C…
Statistics for The Behavioral Sciences (MindTap C…
Statistics
ISBN:
9781305504912
Author:
Frederick J Gravetter, Larry B. Wallnau
Publisher:
Cengage Learning
Elementary Statistics: Picturing the World (7th E…
Elementary Statistics: Picturing the World (7th E…
Statistics
ISBN:
9780134683416
Author:
Ron Larson, Betsy Farber
Publisher:
PEARSON
The Basic Practice of Statistics
The Basic Practice of Statistics
Statistics
ISBN:
9781319042578
Author:
David S. Moore, William I. Notz, Michael A. Fligner
Publisher:
W. H. Freeman
Introduction to the Practice of Statistics
Introduction to the Practice of Statistics
Statistics
ISBN:
9781319013387
Author:
David S. Moore, George P. McCabe, Bruce A. Craig
Publisher:
W. H. Freeman