Question

A manager wants to know whether customers in Taiwan, on average, would spend more than $2,000 per month on the service that is similar to what her company provides. The following information regarding the consumer behavior of 49 customers was provided by the marketing research team: sample mean = $2,400 and sample standard deviation = $1,800. Using the sample information provided and 0.05 significance level, determine the critical value and calculate the value of the test statistic.

Select one:

a. Critical values = –1.96 & +1.96, and Test statistic = –1.56

b. Critical value = 1.96, and Test statistic = 1.56

c. Critical value = –1.645, and Test statistic = –1.56

d. Critical value = 1.645, and Test statistic = 1.56

Answer #1

Solution :

= 2000

n = 49

this is the right tailed test .

The null and alternative hypothesis is ,

H0 : = 2000

Ha : > 2000

Test statistic = s

= ( - ) / s / n

= (2400-2000) / 1800/ 49

= 1.56

Degrees of freedom = df = n - 1 = 49- 1 = 48

= 0.05

Critical value = 1.645

d. Critical value = 1.645, and Test statistic = 1.56

In a recent survey conducted by a professor of UM, 200 students
were asked whether or not they have a satisfying experience with
the e-learning approach adopted by the school in the current
semester. Among the 200 students interviewed, 121 said they have a
satisfying experience. What is the 99% confidence interval for the
proportion of all UM students who have a satisfying experience with
the e-learning approach?
Select one:
A. 0.537 to 0.673
B. 0.524 to 0.686
C. 0.548...

Question-A cosmetic company claims that its
customers spend an average of more than $3,000 a year on makeup. A
random sample of 60 customers gave a mean of $3,250 with a standard
deviation of $1,620. At ? =0.10, can you conclude than the mean
customer spending on makeup is more than $3,000?
Show all steps of the hypothesis test: Hypotheses,
Alpha, Distribution, Sketch with Critical Value, Calculate Test
Statistic by hand and put on Sketch, Decision,
Conclusion.

A movie theater manager believes the average amount of money
customers spend on snacks is over $15.
To test the claim, a theater employee tracks the spending of 25
randomly selected customers.
The sample mean is $17.08 with a sample standard deviation of
$4.81.
a) Calculate the value of the test statistic.
b) What is your decision about the null hypothesis and your
conclusion about manager’s claim?

Suppose a researcher is trying to understand whether people who
purchase fast-food hamburgers would be willing to pay more if the
hamburger comes with a free cookie. Prior research suggests the
mean amount customers say they are willing to pay for a hamburger
is μ = 3.68 and σ = 0.70.
The researcher plans to conduct a study very similar to the
prior research by selecting a sample of customers and asking them
how much they are willing to pay...

2. SECURING THE WORKFORCE Diversity management in
X-tech, a Japanese organisation
This case is intended to be used as a basis for class discussion
rather than as an illustration of the effective or ineffective
handling of an administrative situation. The name of the company is
disguised.
INTRODUCTION
In light of demographic concerns, in 2012, the Japanese
government initiated an effort to change the work environment in
order to secure the workforce of the future. Japan is world
renowned for its...

3 SECURING THE WORKFORCE Diversity management in X-tech,
a Japanese organisation
This case is intended to be used as a basis for class discussion
rather than as an illustration of the effective or ineffective
handling of an administrative situation. The name of the company is
disguised.
INTRODUCTION
In light of demographic concerns, in 2012, the Japanese
government initiated an effort to change the work environment in
order to secure the workforce of the future. Japan is world
renowned for its...

Please answer the following Case
analysis questions
1-How is New Balance performing compared to its primary rivals?
How will the acquisition of Reebok by Adidas impact the structure
of the athletic shoe industry? Is this likely to be favorable or
unfavorable for New Balance?
2- What issues does New Balance management need to address?
3-What recommendations would you make to New Balance Management?
What does New Balance need to do to continue to be successful?
Should management continue to invest...

Delta airlines case study
Global strategy. Describe the current global
strategy and provide evidence about how the firms resources
incompetencies support the given pressures regarding costs and
local responsiveness. Describe entry modes have they usually used,
and whether they are appropriate for the given strategy. Any key
issues in their global strategy?
casestudy:
Atlanta, June 17, 2014. Sea of Delta employees and their
families swarmed between food trucks, amusement park booths, and
entertainment venues that were scattered throughout what would...

ADVERTISEMENT

Get Answers For Free

Most questions answered within 1 hours.

ADVERTISEMENT

asked 8 minutes ago

asked 16 minutes ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 1 hour ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago

asked 2 hours ago