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Question: The following is the data sample of the wait times, in minutes, from the commercial district bran…



Question: The following is the data sample of the wait times, in minutes,from the commercial district bran...

The following is the data sample of the wait times, in minutes,
from the commercial district branch:

4.09
5.71
3.07
5.28
4.79
2.46
3.63
3.28
4.63
6.17
0.24
5.14
6.28
6.31
3.59

The following is the data sample of the wait times, in minutes,
from the residential district branch.

9.89
5.83
8.17
5.97
8.77
3.78
8.14
8.25
10.52
6.89
5.36
4.01
6.39
9.94
5.54

b) determine the p value in (a) and interpret its meaning.
c) in addition to unequal variances, what assumption is necessary
in (a)?
d) construct and interpret a 90% 95% and 99% confidence interval
estimate of the difference between the population means in the two
branches.

Show transcribed image text bank with branches located in a commercial district of a city and in a residential district has the business objective of developing an improved process for serving customers during the noon-to-1 PM. lunch period Management decides to first study the waiting time in the current process. The waiting time is defined as the time that elapses from when the customer enters the line untit he or she reaches the teller window Data are collected from a random sample of 15 customers at each branch Complete (a) through (e)b lick here to view pade t o the table of the citical values oft lick here to view page 2 ot the table of the critieat values oft at the population variances from both banks are not equal, is there evidence of a difference in the a. Assuming th mean waiting time between the two branches? (Use α = 0.1.) Determine the hypotheses. Let μ 1 be the mean waiting time of the commer cial district branch and μ2 be the time of the residential district branch. Choose the correct answer below elect your answer and then click Check Answer 10 remaining ill

bank with branches located in a commercial district of a city and in a residential district has the business objective of developing an improved process for serving customers during the noon-to-1 PM. lunch period Management decides to first study the waiting time in the current process. The waiting time is defined as the time that elapses from when the customer enters the line untit he or she reaches the teller window Data are collected from a random sample of 15 customers at each branch Complete (a) through (e)b lick here to view pade t o the table of the citical values oft lick here to view page 2 ot the table of the critieat values oft at the population variances from both banks are not equal, is there evidence of a difference in the a. Assuming th mean waiting time between the two branches? (Use α = 0.1.) Determine the hypotheses. Let μ 1 be the mean waiting time of the commer cial district branch and μ2 be the time of the residential district branch. Choose the correct answer below elect your answer and then click Check Answer 10 remaining ill

  

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