1. are the samples dependent or independent? 2. State null/alternative hypotheses 3. what is the test statistic? 4. What is the p-value? 5. What are the critical values? 6. Does the test statistic lie in the rejection region? 7. interpret the results 8: does the result change for a different value of alpha? Explain
1. are the samples dependent or independent? 2. State null/alternative hypotheses 3. what is the test statistic? 4. What is the p-value? 5. What are the critical values? 6. Does the test statistic lie in the rejection region? 7. interpret the results 8: 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
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Please help with 1-8! I've seen a bunch of different answers and would love work shown so I can understand. Thank you!
1. are the samples dependent or independent?
2. State null/alternative hypotheses
3. what is the test statistic?
4. What is the p-value?
5. What are the critical values?
6. Does the test statistic lie in the rejection region?
7. interpret the results
8: does the result change for a different value of alpha? Explain
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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
Local Bank
Competitor Bank
Sample size
46
n2 = 50
Average waiting time in minutes for each
sample
X, = 2.3 mins.
X2 = 2.6
Sample Standard Deviation of each
Sample
=D 1.1 mins
S2 = 1.0 mins.
1. Are the samples dependent or independent?
2. State your Null/Alternative hypotheses
3. What is the test-statistic?
dp
IIO
2$
V
#
8.
5.
9.
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Transcribed Image Text:O Home
Mail
Word
Excel
Book
O Pears
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Book G Open | +
Excel
pperiowa.brightspace.com/d21/le/content/103747/viewContent/1355994/View
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
Local Bank
Competitor Bank
Sample size
46
n2 = 50
Average waiting time in minutes for each
sample
X, = 2.3 mins.
X2 = 2.6
Sample Standard Deviation of each
Sample
=D 1.1 mins
S2 = 1.0 mins.
1. Are the samples dependent or independent?
2. State your Null/Alternative hypotheses
3. What is the test-statistic?
dp
IIO
2$
V
#
8.
5.
9.
3.
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