Question
In: Statistics and Probability
3. A bank with branches located in a commercial area in Jakarta wants to improve the...
3. A bank with branches located in a commercial area in Jakarta
wants to improve the process for serving customers during the lunch
time period.
Waiting time data was collected from a random sample of 15
customers in Bank branch 1, as follows:
4.21 5.55 3.02 5.13 4.77 2.34 3.54 3.20 4.50 6.10 0.38 5.12 6.46 6.19 3.79
Data was also collected from a random sample of 15 customers in Bank branch 2, as follows:
9.66 5.90 8.02 5.79 8.73 3.82 8.01 8.35 10.49 6.68 5.64 4.08 6.17 9.91 5.47
a. Assuming that the population variations of the two bank
branches are the same, test the hypothesis that there is a
difference in the average waiting time between the two branches?
(Use α = 0.05.)
b. Create and interpret an estimated 95% confidence interval from
the difference in average waiting time between the two branches
Solutions
Expert Solution
Answer:-
Page one
Page two
Page three
Thanks dear student
orchestra answered 2 years agoRelated Solutions
A bank with branches located in a commercial district of a city and in a residential...
A bank with branches located in a commercial district of a city
and in a residential area has the business objective of developing
an improved process for serving customers during the noon-to-1
P.M. lunch period. Management decides to first study the waiting
time in the current process. The waiting time is defined as the
number of minutes that elapses from when the customer enters the
line until he or she reaches the teller window. Data are collected
from a random...
A bank with branches located in a commercial district of a city and in a residential...
A 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 P.M. 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 until
he or she reaches the teller window. Data are collected from a
random sample of...
Wildcat Gym, with its 3 branches located in Central New York, wants to assign three recently...
Wildcat Gym, with its 3 branches located in Central New
York, wants to assign three recently hired health consultants -
Todd, Josh, and Nina - to its 3 branches in Cortland, Auburn, and
Oneonta. It is clearly indicated from its Headquarters that none of
these three consultants will be assigned to the same
locations.
The relocate costs are shown here in the
table.
Consultant/Location
Cortland
Auburn
Oneonta
Todd
$720
$680
$550
Josh
$700
$710
$588
Nina
$655
$635
$495
Part...
3) ABC bank has many branches; XYZ bank has relatively few branches. Both banks are the...
3) ABC bank has many branches; XYZ bank has relatively few
branches. Both banks are the same size - $100 billion in assets -
and operate in a five state region. Compare/contrast likely
differences in the expenses incurred by ABC relative to XYZ.
4) a) What are the reasons for “consolidation” of the financial
services industry? b) When a low-risk firm combines with a
high-risk firm, what can we say about the risk of the conglomerate
relative to that of...
A bank with a branch located in a commercial district of a city has developed an...
A bank with a branch located in a commercial district of a city
has developed an improved process for serving customers during the
noon-to-1 P.M. lunch period. The bank has the business objective of
reducing the waiting time (defined as the number of minutes that
elapse from when the customer enters the line until he or she
reaches the teller window) to increase customer satisfaction. A
random sample of 15 customers is selected and waiting times(in
minutes) are collected and...
A bank with a branch located in a commercial district of a city has the business...
A bank with a branch located in a commercial district of a city
has the business objective of improving the process for serving
customers during the noon-to-1 PM lunch period. To do so, the
waiting time (defined as the number of minutes that elapses from
when the customer enters the line until he or she reaches the
teller window) needs to be shortened to increase customer
satisfaction. A random sample of 15 customers is selected and the
waiting times were...
A bank with a branch located in a commercial district of a city has developed an...
A bank with a branch located in a commercial district of
a city has developed an improved process for serving customers
during the noon to 1 P.M. lunch period. The waiting time
(operationally defined as the time elapsed from when the customer
enters the line until he or she reaches the teller window) of all
customers during this hour is recorded over a period of one week. A
random sample of 15 customers is selected, and the results (in
minutes)...
A bank with a branch located in a commercial district of a city has the business...
A bank with a branch located in a commercial district of a city
has the business objective of improving the process for serving
customers during the noon-to-1 pm lunch period. To do so, the
waiting time (defined as the number of minutes that elapses from
when the customer enters the line until he or she reaches the
teller window) needs to be shortened to increase customer
satisfaction. A random sample of 15 customers is selected and the
waiting times are...
A bank with a branch located in a commercial district of a city has the business...
A bank with a branch located in a commercial district of a city
has the business objective of improving the process for serving
customers during the noon-to-1 PM lunch period. To do so, the
waiting time (defined as the number of minutes that elapses from
when the customer enters the line until he or she reaches the
teller window) needs to be shortened to increase customer
satisfaction. A random sample of 15 customers is selected and the
waiting times were...
A bank with a branch located in a commercial district of a city has the business...
A bank with a branch located in a commercial district of a city
has the business objective of improving the process for serving
customers during the noon-to-1 pm lunch period. To do so, the
waiting time (defined as the number of minutes that elapses from
when the customer enters the line until he or she reaches the
teller window) needs to be shortened to increase customer
satisfaction. A random sample of 15 customers is selected and the
waiting times are...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- Note: The answers to the following questions should be typed in the block of comments in...
- Python Describe the procedure for setting up the display of an image in a window.
- what are the fundamental similarity and differences between gap and dgap?
- Maria Gonzales is a 57-year-old operating room nurse who works full-time at a local hospital. She...
- Use the bond term's below to answer the question Maturity 7 years Coupon Rate 4% Face...
- What experience have you had with Organization Development or with Change Management? Describe the organization, the...
- 1. Renfro Rentals has issued bonds that have a 12% coupon rate, payable semiannually. The bonds...
ADVERTISEMENT