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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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.
3.
Transcribed Image Text:O Home Mail Word Excel Book O Pears https 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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