Question: For the data of Exercise 18.11: a. Obtain the centered moving average for N = 4; for N = 12. b. When N = 12

For the data of Exercise 18.11:
a. Obtain the centered moving average for N = 4; for N = 12.
b. When N = 12 months, the centered moving average is relatively smooth compared to when N = 4. Aside from the fact that it includes a greater number of months at a time, is there any other reason why the moving average with N = 12 should be so smooth?

Step by Step Solution

★★★★★

3.48 Rating (165 Votes )

There are 3 Steps involved in it

1 Expert Approved Answer

Step: 1 Unlock

a Partial Minitab printouts and the plots for centered moving averages with N 4 and N 12 Refer to the MA column for the centered moving average values Centered moving average with N 4 Moving Average f... View full answer

Question Has Been Solved by an Expert!

Get step-by-step solutions from verified subject matter experts

Step: 2 Unlock

Step: 3 Unlock

Document Format (1 attachment)

522-M-S-F (293).docx

120 KBs Word File

Students Have Also Explored These Related Statistics Questions!

Reconsider the law firm of Exercise 5.1. Assume the prevailing revenues per shopping and medical projects are $ 4000 and $ 5000 per project, respectively, and that out of pocket expenses associated...

For the data of Exercise 18.13: a. Obtain the centered moving average for N = 4; for N = 12. b. When N = 12 months, the centered moving average is relatively smooth compared to N = 4. Aside from the...

For the data of Exercise 18.11, fit an exponentially smoothed curve with smoothing constant Î± = 0.4; with smoothing constant Î± = 0.7. Which constant provides more...

For the data of Exercise 18.13, fit an exponentially smoothed curve with smoothing constant Î± = 0.4; with smoothing constant Î± = 0.7. Which constant provides more...

The Swim Wear Store sells bathing caps. As the store does not sell a lot of them, such that ordering them periodically during the year when they run out has been the method of restocking. The store...

Questions 9 - 12 refer to the following time series: Year: 0 1 2 3 4 Sales: 12 14 19 23 18 9. The value of the three-year centered moving average that corresponds to year 1 will be a. 15. b. 14. C....

Please help with these two: Thank you! For #1, only help with the ones in RED. For #2 help with everything. 1- South Shore Construction builds permanent docks and seawalls along the southern shore of...

1- Please help with the ones in RED South Shore Construction builds permanent docks and seawalls along the southern shore of Long Island, New York. Although the firm has been in business only five...

Hint(s) Check My Work (1 remaining) Hudson Marine provides boats sales, service, and maintenance. Boat trailers are one of its top sales items. Suppose the quarterly sales values for the seven years...

uiz 2 CASE UPS Air Finance Division The Air Finance Division is one of several divisions within United Parcel Service Financial Corporation, a wholly-owned subsidiary of United Parcel Service (UPS)....

What is managerial accounting? What are the main differences between managerial and financial accounting? Describe the differences between the financial statement formats of merchandising and...

Write an Essay. Demonstrate how well you understand the principles of studying fiction and writing critically about literature. Listed below and read the story several times. There are a wide variety...

Respond to the following discussion: Managing budget variances in healthcare requires a systematic and proactive approach that balances financial performance with quality patient care. The first step...

What part, if any, do the independent auditors play in the planning for a clients physical inventory?

You need $28,974 at the end of 10 years, and your only investment outlet is an 8 percent long-term certificate of deposit (compounded annually). With the certificate of deposit, you make an initial...

What segregation of duties would you recommend to attain maximum internal control over purchasing activities in a manufacturing concern?

The following unadjusted trial balance is prepared at fiscal year-end for Nelson Company. Rent expense and salaries expense are equally divided between selling activities and the general and...

Dalby Company has accumulated the following budget data for the year 2014. 1. Sales: 30,000 units, unit selling price $85. 2. Cost of one unit of finished goods: direct materials 2 pounds at $5 per...

What is the Lucas critique, and how did it expose a fatal flaw in large, structural macroeconomic models?

An article in Wear (Vol. 152, 1992, pp. 171181) presents data on the fretting wear of mild steel and oil viscosity. Representative data follow, with x = oil viscosity and y = wear ear volume (10 4...

An article in the Journal of Environmental Engineering (Vol. 115, No. 3, 1989, pp. 608619) reported the results of a study on the occurrence of sodium and chloride in surface streams in central Rhode...

A rocket motor is manufactured by bonding together two types of propellants, an igniter and a sustainer. The shear strength of the bond y is thought to be a linear function of the age of the...

What is the present value of the following set of cash flows, discounted at 1 4 . 1 % per year? \ table [ [ Year , 1 , 2 , 3 , 4

QUESTION 5 Monthly electric bills in NewJersey for a bellshaped distribution with a mean of $1 09 and a standard deviation of $37. a) About what percent of the bills will be between $72 and $146? b)...

Question 9 5 pts Cooper Tire has 45 million shares of common stock outstanding and 2 million bonds. The par value of the bonds is $1000. Cooper Tire's common stock is selling for $125 and its bonds...