Questions
1. The owner of Showtime Movie Theaters, Inc. would like to estimate weekly gross revenue as...

1. The owner of Showtime Movie Theaters, Inc. would like to estimate weekly gross revenue as a function of advertising expenditures. Historical data for a sample of eight weeks follow.

Weekly Gross

Television

Newspaper

Radio

Revenue

Advertising

Advertising

Advertising

($1000s)

($1000s)

($1000s)

($1000s)

96

5

1.5

0.3

90

2

2

0.2

95

4

1.5

0.3

92

2.5

2.5

0.1

95

3

3.3

0.4

94

3.5

2.3

0.4

94

2.5

4.2

0.3

94

3

2.5

0.3

  1. Develop an estimated regression equation in Excel with the amount of television advertising as the independent variable
  2. Develop an estimated regression equation in Excel with both television advertising and newspaper advertising as the independent variables
  3. Develop an estimated regression equation in Excel with all three independent variables: television advertising, newspaper advertising, and radio advertising
  4. Is the estimated regression equation coefficient for television advertising expenditures the same in par a), in part b) and in part c)? Interpret the coefficient in each case
  5. Obtain and compare the multiple coefficient of determination and the adjusted multiple coefficient of determination for parts a), b) and c). How does the coefficient of determination changes as a result of adding more independent variables in the equation?
  6. What is the estimate of the weekly gross revenue for a week when $3500 is spent on television advertising, $1800 is spent on newspaper advertising, and $350 in radio advertising?
  7. Use the F test to determine the overall significance of the relationship. What is the conclusion at the .05 level of significance?
  8. Use the t test to determine the significance of each independent variable. What is your conclusion at the .05 level of significance?
  9. Determine the sample correlation coefficient between all possible pairs of independent variables to measure multicollinearity. Is there any value high enough to predict any potential problem in the regression model? Explain

SHOW ALL WORK

In: Statistics and Probability

In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of...

In this problem, assume that the distribution of differences is approximately normal. Note: For degrees of freedom d.f. not in the Student's t table, use the closest d.f. that is smaller. In some situations, this choice of d.f. may increase the P-value by a small amount and therefore produce a slightly more "conservative" answer. Suppose that at five weather stations on Trail Ridge Road in Rocky Mountain National Park, the peak wind gusts (in miles per hour) for January and April are recorded below. Wilderness District 1 2 3 4 5 January 140 123 123 64 78 April 102 111 104 88 61 Does this information indicate that the peak wind gusts are higher in January than in April? Use α = 0.01. Solve the problem using the critical region method of testing. (Let d = January − April. Round your answers to three decimal places.) test statistic = critical value = Interpret your conclusion in the context of the application. Reject the null hypothesis, there is sufficient evidence to claim average peak wind gusts are higher in January. Fail to reject the null hypothesis, there is sufficient evidence to claim average peak wind gusts are higher in January. Reject the null hypothesis, there is insufficient evidence to claim average peak wind gusts are higher in January. Fail to reject the null hypothesis, there is insufficient evidence to claim average peak wind gusts are higher in January. Compare your conclusion with the conclusion obtained by using the P-value method. Are they the same? We reject the null hypothesis using the critical region method, but fail to reject using the P-value method. The conclusions obtained by using both methods are the same. We reject the null hypothesis using the P-value method, but fail to reject using the critical region method.

In: Statistics and Probability

DataSpan, Inc., automated its plant at the start of the current year and installed a flexible...

DataSpan, Inc., automated its plant at the start of the current year and installed a flexible manufacturing system. The company is also evaluating its suppliers and moving toward Lean Production. Many adjustment problems have been encountered, including problems relating to performance measurement. After much study, the company has decided to use the performance measures below, and it has gathered data relating to these measures for the first four months of operations.

Month

1 2 3 4
Throughput time (days) ? ? ? ?
Delivery cycle time (days) ? ? ? ?
Manufacturing cycle efficiency (MCE) ? ? ? ?
Percentage of on-time deliveries 75% 76% 81% 88%
Total sales (units) 10,510 10,560 10,560 10,550

Management has asked for your help in computing throughput time, delivery cycle time, and MCE. The following average times have been logged over the last four months:

Average per Month (in days)

1 2 3 4
Move time per unit 0.5 0.4 0.8 0.5
Process time per unit 0.6 0.4 0.8 0.7
Wait time per order before start of production 9.2 8.0 5.0 4.0
Queue time per unit 3.2 3.8 2.5 1.7
Inspection time per unit 0.7 0.7 0.5 0.8

Required:

1-a. Compute the throughput time for each month. (Round your answers to 1 decimal place.)

Throughput Time
Month 1 days
Month 2 days
Month 3 days
Month 4 days

1-b. Compute the manufacturing cycle efficiency (MCE) for each month. (Round your answers to 1 decimal place.)

Manufacturing Cycle Efficiency (MCE)
Month 1 %
Month 2 %
Month 3 %
Month 4 %

1-c. Compute the delivery cycle time for each month. (Round your answers to 1 decimal place.)

Delivery Cycle Time
Month 1 days
Month 2 days
Month 3 days
Month 4

days

3-a. Refer to the move time, process time, and so forth, given for month 4. Assume that in month 5 the move time, process time, and so forth, are the same as in month 4, except that through the use of Lean Production the company is able to completely eliminate the queue time during production. Compute the new throughput time and MCE. (Round your answers to 1 decimal place.)

Month 5
Throughput time days
Manufacturing cycle efficiency (MCE) %

3-b. Refer to the move time, process time, and so forth, given for month 4. Assume in month 6 that the move time, process time, and so forth, are again the same as in month 4, except that the company is able to completely eliminate both the queue time during production and the inspection time. Compute the new throughput time and MCE. (Round your answers to 1 decimal place.)

Month 6
Throughput time days
Manufacturing cycle efficiency (MCE) %

In: Accounting

A plane goes missing. According to air trac control, the probability that it has gone missing...

A plane goes missing. According to air trac control, the probability that it has gone
missing in region A is 0.2 and in region B is 0.6. From knowledge of these regions, it is
known that if a plane goes missing in region A, the probability that it will be found is 0.7,
while if a plane goes missing in region B, the probability of it being found is 0.6.
Using probability notation, answer the following questions.
(a) What is the probability that the plane did not go down in either region A or B? Justify
your answer.
(b) If the probability of the plane being found if it goes down outside regions A or B is
0.1, what is the total probability of the plane not being found at all?
(c) If the plane isn't found, what is the probability it went down in region A?
(d) If two planes go missing independently, what is the probability that they are both
found?

In: Statistics and Probability

A plane goes missing. According to air trac control, the probability that it has gone missing...

A plane goes missing. According to air trac control, the probability that it has gone
missing in region A is 0.2 and in region B is 0.6. From knowledge of these regions, it is
known that if a plane goes missing in region A, the probability that it will be found is 0.7,
while if a plane goes missing in region B, the probability of it being found is 0.6.
Using probability notation, answer the following questions.
(a) What is the probability that the plane did not go down in either region A or B? Justify
your answer.
(b) If the probability of the plane being found if it goes down outside regions A or B is
0.1, what is the total probability of the plane not being found at all?
(c) If the plane isn't found, what is the probability it went down in region A?
(d) If two planes go missing independently, what is the probability that they are both
found?

In: Statistics and Probability

Question 3: Use the annual flood data (annual maximum series) in the table below to perform...

Question 3:

Use the annual flood data (annual maximum series) in the table below to perform a flood frequency analysis using the U.S. Water Resources Council Guidelines. The map skew for this location is - 0.2

Year

Discharge (cfs)

Year

Discharge (cfs)

1935

1955

1955

2260

1936

4050

1956

318

1937

3570

1957

1330

1938

2060

1958

970

1939

1300

1959

1920

1940

1390

1960

15100

1941

1720

1961

2870

1942

6280

1962

20600

1943

1360

1963

3810

1944

7440

1964

726

1945

5320

1965

7500

1946

1400

1966

7170

1947

3240

1967

2000

1948

2710

1968

829

1949

4520

1969

17300

1950

4840

1970

4740

1951

8320

1971

13400

1952

13900

1972

2940

1953

71500

1973

5660

1954

6250

Fill out the following table

Exceedance probability

T

K(T, Gs)

log QT

QT

Year

(cfs)

0.99

0.95

0.90

0.8

0.5

0.2

0.1

0.04

0.02

0.01

0.005

In: Civil Engineering

Use the annual flood data (annual maximum series) in the table below to perform a flood...

Use the annual flood data (annual maximum series) in the table below to perform a flood frequency analysis using the U.S. Water Resources Council Guidelines. The map skew for this location is - 0.2

Year Discharge (cfs)
1935 1955
1936 4050
1937 3570
1938 2060
1939 1300
1940 1390
1941 1720
1942 6280
1943 1360
1944 7440
1945 5320
1946 1400
1947 3240
1948 2710
1949 4520
1950 4840
1951 8320
1952 13900
1953 71500
1954 6250
1955 2260
1956 318
1957 1330
1958 970
1959 1920
1960 15100
1961 2870
1962 20600
1963 3810
1964 726
1965 7500
1966 7170
1967 2000
1968 829
1969 17300
1970 4740
1971 13400
1972 2940
1973 5660

Fill out the following table

Exceedance probability

T

K(T, Gs)

log QT

QT

Year

(cfs)

0.99

0.95

0.90

0.8

0.5

0.2

0.1

0.04

0.02

0.01

0.005

In: Civil Engineering

Since its opening in 1977, Ocean Park was the only theme park in Hong Kong. The...

Since its opening in 1977, Ocean Park was the only theme park in Hong Kong. The park, owned by the Hong Kong government, is a nonprofit organization that aims to provide visitors a unique experience in entertainment, education, and conservation. In the absence of competition, Ocean Park had existed without direction and focus. When Hong Kong officials signed an agreement to bring Disneyland to Hong Kong in 1999, it seemed as if it would be the end of Ocean Park. In this unequal competition, Ocean Park emerged the surprise winner. Quickly sprucing up its act, it has managed to outperform Disneyland and has emerged as the number one amusement park in Hong Kong .

How was Ocean Park able to turn a threat into an opportunity?

Ocean park made the decision not to compete head to head with Disneyland. Will this strategy always work when local companies face multinational giants? Explain.

How can Ocean Park further capitalize on Disneyland’s presence? (hint: check out how other parks surrounding Disney, such as Sea World and Universal Studios, survive and thrive in

Anaheim, California, and Orlando, Florida.)

How can Hong Kong Disneyland turn around its lackluster performance?

In: Operations Management

QUESTION 3 (37 marks) (Modules 7-8) Woody Paints (WP) produces two paint types – the Silky...

QUESTION 3 (Modules 7-8) Woody Paints (WP) produces two paint types – the Silky and the Smooth. Projected sales (in units) for the 2 products in litres for 2019 - 2021:

                                                            2019              2020                  2021                  2022

Silky                                                  120,000          130,000            135,000           135,000

Smooth                                           70,000               80,000               85,000           85,000

Current sales prices in 2018 Silky $8 per litre & Smooth $10 per litre (expected to increase by 2% in 2019 and then remain stable for 3 years)

? Inventories are planned for each product so that projected ending finished goods inventory is 10% of the following year’s projected sales in units.

? The per unit raw material requirements for one litre of the products are as follows:

                                                                       Silky         Smooth        Cost per litre/kg

Base paint litres                                            0.8             0.7                     $0.50

Additives kilograms                                     0.1              0.2                      $2.00

Container (1 per unit)                                                                                  $0.20

The desired materials ending inventory is 50% of that required for the next year’s production.

Opening materials inventories:

Base paint               litres                                         72,500

Additives                kilograms                                 9,500

Containers             units                                           65,000

Direct Labour required per unit/litre (at $15 per hour – no increase expected)

                                                             Silky        Smooth

Labour hours                                       0.1           0.2

Opening finished goods inventories (in units):

Silky 60,000

Smooth 35,000

The desired ending finished goods inventory is equal to the 10% of following year’s sales in units

Required:

For the two years 2019 and 2020:

(note: use the excel templates provided)

a) Prepare a sales budget in units and dollars

b) Prepare a production budget in units for the Silky and the Smooth paint products.

c) Prepare direct materials usage budgets in units for each of the materials (separate budgets) and calculate the dollar purchases for each, showing the 2 years, for the Silky and the Smooth paint products. Note that as both products use the same materials, these materials budgets should be for the combined usage of the Silky and the Smooth paint e.g. total Base paint needed for both each year.

d) Calculate the total value of materials purchases each year. (1 mark)

e) Prepare a direct labour budget.

f) Actual production of Silky paints in 2019 turned out to be 75,000 units (litres), using 9,375 kg of additives at a cost of $16,875. Calculate the materials price and volume variance for the additives for Silky paints in 2019. (4 Marks

In: Accounting

In a backyard vineyard in Napa Valley with 10 grape vines in a row, if the...

In a backyard vineyard in Napa Valley with 10 grape vines in a row, if the weather works well (just right), rain in the Spring and dry through summer, the yield for each vine is distributed roughly binomial with N=800, p=0.5. In a drought the yield is Binomial with N=800 and P=0.48, while if the year is too wet, the yield of useful grapes per vine is N=600, P=0.2. Under climate change the probability of just the right year is about 0.2 of a too wet year is 0.1, and a dry year is 0.7. On a just right year the wine can sell for 100 dollars/bottle, on a dry year the quality drops so it will sell for 60 dollars a bottle, on wet year it will sell for 30 dollars a bottle (For a Z score with absolute value >5 assume the probability is 0) The yield for all 10 vines was more than 3900 grapes. Given this yield:

a) What is the probability that you will be able to sell for 100 dollars a bottle?

b) What is the probability that you will be selling for 60 dollars a bottle?

c) What is the probability that you can only sell for 30 dollars a bottle?

d) What is your expected revenue per bottle?


In: Statistics and Probability