Question
In: Statistics and Probability
Winnipeg district sales manager of Far End Inc. a university textbook publishing company, claims that the...
Winnipeg district sales manager of Far End Inc. a university textbook publishing company, claims that the sales representatives makes an average of 40 calls per week on professors. Several representatives say that the estimate is too low. To investigate, a random sample of 28 sales representatives reveals that the mean number of calls made last week was 42 and variance is 4.41. Conduct an appropriate hypothesis test, at the 5% level of significance to determine if the mean number of calls per salesperson per week is more than 40.
(a) Provide the hypothesis statement
(b) Calculate the test statistic value
(c) Determine the probability value
(d) Provide an interpretation of the P-value (1 Mark)
Note: if you need to use symbols , please use "u" for population mean "μ", Ho and Ha for for the null and alternate hypothesis, "Y-hat" for "ŷ", "alpha" for α Please provide your answers to the above questions by typing your answers using simple text. You need not show the work in detail.
Solutions
orchestra answered 2 years agoRelated Solutions
Winnipeg district sales manager of Far End Inc. a university textbook publishing company, claims that the...
Winnipeg
district sales manager of Far End Inc. a university textbook
publishing company, claims that the sales representatives makes an
average of 20 calls per week on professors. Several representatives
say that the estimate is too low. To investigate, a random sample
of 28 sales representatives reveals that the mean number of calls
made last week was 44 and variance is 2.41.
Conduct an
appropriate hypothesis test, at the 5% level of significance to
determine if the mean number of...
Long answer question [5 marks] Winnipeg district sales manager of Far End Inc. a university textbook...
Long answer question [5
marks]
Winnipeg district sales manager of Far End Inc. a
university textbook publishing company, claims that the sales
representatives makes an average of 40 calls per week on
professors. Several representatives say that the estimate is too
low. To investigate, a random sample of 28 sales representatives
reveals that the mean number of calls made last week was 42 and
variance is 4.41.
Conduct an appropriate hypothesis test, at the 5% level
of significance to determine...
The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims...
The Rocky Mountain district sales manager of Rath Publishing
Inc., a college textbook publishing company, claims that the sales
representatives make an average of 37 sales calls per week on
professors. Several reps say that this estimate is too low. To
investigate, a random sample of 32 sales representatives reveals
that the mean number of calls made last week was 38. The standard
deviation of the sample is 2.4 calls. Using the .10 significance
level, can we conclude that the...
The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company, claims...
The Rocky Mountain district sales manager of Rath Publishing
Inc., a college textbook publishing company, claims that the sales
representatives make an average of 40 sales calls per week on
professors. Several reps say that this estimate is too low. To
investigate, a random sample of 32 sales representatives reveals
that the mean number of calls made last week was 41. The standard
deviation of the sample is 2.9 calls. Using the 0.010 significance
level, can we conclude that the...
: The Rocky Mountain district sales manager of Rath Publishing Inc., a college textbook publishing company,...
: The Rocky Mountain district sales manager of Rath Publishing
Inc., a college textbook publishing company, claims that the sales
representatives make an average of 50 sales calls per week on
professors. Several reps say that this estimate is too low. To
investigate, a random sample of 28 sales representatives reveals
that the mean number of calls made last week was 51. The standard
deviation of the sample is 1 calls. Using the 0.05 significance
level, can we conclude that...
superbtext publishing is a textbook publishing company with the headquarter locatio a warehouse and 3 sales...
superbtext publishing is a textbook publishing company with the
headquarter locatio a warehouse and 3 sales office that each have
sales manager and sales reps. a superbtext sales to schools,
college, and individuals . many author writes more than one books
for superb text . and some book are witten by more than one
authors. superbtext maintains and activelist of more than 100
books. each identified by the universal code cal ISBN. a. you have
been asked to draw ERD...
Suppose an editor of a publishing company claims that the mean time to write a textbook...
Suppose an editor of a publishing company claims that the mean
time to write a textbook is at most 15 months. A sample of 16
textbook authors is randomly selected and it is found that the mean
time taken by them to write a textbook was 12.5. Assume also that
the standard deviation is known to be 3.6 months. Assuming the time
to write a textbook is normally distributed and using a 0.05 level
of significance, would you conclude the...
Eastman Publishing Company is considering publishing an electronic textbook on spreadsheet applications for business.
Eastman Publishing Company is considering publishing an electronic textbook on spreadsheet applications for business. The fixed cost of manuscript preparation, textbook design, and Website construction is estimated to be $160,000. Variable processing costs are estimated to be $6 per book. The publisher plans to sell access to the book for $46 each. Eastman has created a predictive model that estimates demand as a function of price. The predictive model is demand = 4000-6*p where p is the price of the...
A textbook publishing company has compiled data on total annual sales of its business texts for...
A textbook publishing company has compiled data on total annual
sales of its business texts for the preceding nine years:
Year
1
2
3
4
5
6
7
8
9
Sales (000):
37.80
43.20
49.00
50.50
54.50
58.90
63.20
68.30
74.40
a. Using an appropriate model, forecast textbook sales for
each of the next five years. (Round your intermediate
calculations to 3 decimal places and final answers to 2 decimal
places.)
Year
10
11
12
13
14
Forecast
b. Compute...
A textbook publishing company has compiled data on total annual sales of its business texts for...
A textbook publishing company has compiled data on total annual
sales of its business texts for the preceding nine years:
Year
1
2
3
4
5
6
7
8
9
Sales (000):
37.10
45.00
49.80
51.00
54.60
57.60
63.40
68.80
74.90
a. Using an appropriate model, forecast textbook sales for
each of the next five years. (Round your intermediate
calculations to 3 decimal places and final answers to 2 decimal
places.)
Year
10
11
12
13
14
Forecast
b. Compute...
ADVERTISEMENT
ADVERTISEMENT
Latest Questions
- b. Do any unions represent employees in Microsoft? Describe which unions are involved. c. Have there been...
- Look up and use each of these Linux commands. (Each command will have two parts) Summarize...
- What was Lincoln 10 percent plan and what problems did it present?
- A cantilever beam 4m long carries a uniform load of 3.5 kN/m over a portion 1.5m...
- Our next optimization comes from using the brilliant Rabin-Karp substring matching algorithm (RK for short), invented...
- Give an example of an experiment to determine the focal length of a concave lens. (Note...
- Search the Internet to find (at least 2 websites) related to the general field of malware....
ADVERTISEMENT