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1. The following data is sales in millions of dollars for the Cassie Cat Company manufactures of grain free canned cat food.
Year. 1. 2. 3. 4. 5. 6. 7Sales. 20. 22. 26. 24. 30. 28. 32
A. Use a three year moving average to generate a forecast for year 8 and determine its mean square error.B. Use a smoothing constant 0f .8 to generate a forecast for year 8 and determine its mean square error.C. Which method is the better?
2. The quarterly sales data (number of copies sold) for a college textbook 0ver the past three years follows.
Quarters. year 1. year 2. year 3 1 1690. 1900. 1850 2. 890. 9100. 1200 3. 2625. 3000 2930 4. 2550. 2360. 2700 A. Show the four quarter and centered moving average for this time series.
B. Compute the seasonal and adjusted seasonal indexes for the four quarters.
C. Deseasonalize the time series.
D. Compute the linear trend equation for the deseasonalize data and forecast sales for the first quarter of year 4. Be sure to reseasonalize your forecast.
A number of minor automobile accidents occur at various high-risk intersections. A study was done. Eight intersections were chosen at random. The number of minor accidents during a 6-month period before and after the modifications were:
So what you send is what you see, no more and no less. handgun would it be possible to register this firearm? What is the process?
Create a histogram of the final fund values. Based on your simulation results, which of the two strategies would you recommend? Why?
We monitor the number of incoming calls into a doctor's office. Let X be the number of incoming calls between the hours of l pm and 2 pm and Y be the number of calls between l pm and 3 pm.
The data show that 48 of the doctors picked brand x. If these data were evaluated using a chi-square test for goodness of fit, what is the expected frequency for brand x?
If a random sample of 10 people found that 9 were pro-life (i.e., 90%), while another random sample of 1,000 people from the same population found that 550 were pro-life (i.e., 55%), which would you find more significant?
Regression line drawn as y = c + 1075x, when x was 2, and y was 239, given that y intercept was 11. Calculate the residual
Descriptive Statistical Analysis on Youngsters Involved in Alcohol
What is the probability that their average lifetime would be less than 510 hours? Use your calculator to solve this problem and give your answer as a number between 0 and 1, rounded to 3 decimal places.
two points along a straight stick of length 39 cm are randomly selected. the stick is then broken at those two points.
a survey revealed the amount of pocket money held by each student in a sample of students. the amounts in dollars are
A Department of Trasporta repot about air travel found that nationwide, 76% of all flights are on time. What is the probablity that you will have have excatly 80 flights on time?
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