Ask Question, Ask an Expert

+61-413 786 465

info@mywordsolution.com

Ask Statistics and Probability Expert

Last week's sales of iMac computers at an Apple Store in Oklahoma City, OK, are shown in the following table:

Day

Sales (Dollars)

1

180

2

150

3

210

4

225

5

195

6

190

7

230

 

 

 

 

 

 

(a) Use the 3-day moving average method for forecasting days 4-7.

(b) Use the 3-day weighted moving average method for forecasting days 4-7. Use Weight 1 day ago = 2, Weight 2 days ago = 4, and Weight 3 days ago = 3.

(c) Compare the techniques using the mean absolute deviation (MAD).

Statistics and Probability, Statistics

  • Category:- Statistics and Probability
  • Reference No.:- M9992174

Have any Question?


Related Questions in Statistics and Probability

You need to have accumulated savings of 2 million by the

You need to have accumulated savings of $2 million by the time that you retire in 20 years. You currently have savings of $200,000. How much do you need to save each year to meet your goal if your savings earn a return o ...

One sample has n 8 and ss 21 and a second sample has n 8

One sample has n = 8 and SS = 21 and a second sample has n = 8 and SS = 35. What is the pooled variance for the two samples?

Gala apples sampled at random from a specific orchard in

Gala apples sampled at random from a specific orchard in New Zealand have a mean weight of μ= 147g with a variance of σ2= 841g^2, and the weights follow a normal distribution quite well. The grower wants to sell the appl ...

A company that manufactures gasoline station pumps must

A company that manufactures gasoline station pumps must ensure that it pumps at least 1 gallon of gasoline 84% of the time. If the population of pump amounts for a particular pump is normally distributed with mean μ and ...

What would be examples of valid selection methods used by

What would be examples of valid selection methods used by the human resource department to ensure selecting the appropriate candidate for a job.

The national safety council reported that 52 of american

The National safety council reported that 52% of American turnpike drivers are men. A sample of 300 cars traveling southbound on the New Jersey Turnpike yesterday revealed that 170 were driven by men. At a 99% level of c ...

The population standard deviation for the height of high

The population standard deviation for the height of high school basketball players is 2.3 inches. If we want to be 95% confident that the sample mean height is within 0.5 inch of the true population mean height, how many ...

The contents of a particular bottle of shampoo marked as

The contents of a particular bottle of shampoo marked as 150 ml are found to be 153 ml at an average, with a standard deviation of 2.5 ml. What proportion of shampoo bottles contain less than the marked quantity? Assume ...

The time spent in days waiting for a heart transplant can

The time spent (in days) waiting for a heart transplant can be approximated by a normal distribution. Day range of 60-200.  u=129 o=20.2.  (a) What is the shortest number of days spent that would put a patient in the top ...

Inbspa statistics instructor wants to measure the

I. A statistics instructor wants to measure the effectiveness of his teaching skills in a class of 66 students ( N  = 66). He selects students by waiting at the door to the classroom prior to his lecture and pulling asid ...

  • 4,153,160 Questions Asked
  • 13,132 Experts
  • 2,558,936 Questions Answered

Ask Experts for help!!

Looking for Assignment Help?

Start excelling in your Courses, Get help with Assignment

Write us your full requirement for evaluation and you will receive response within 20 minutes turnaround time.

Ask Now Help with Problems, Get a Best Answer

Why might a bank avoid the use of interest rate swaps even

Why might a bank avoid the use of interest rate swaps, even when the institution is exposed to significant interest rate

Describe the difference between zero coupon bonds and

Describe the difference between zero coupon bonds and coupon bonds. Under what conditions will a coupon bond sell at a p

Compute the present value of an annuity of 880 per year

Compute the present value of an annuity of $ 880 per year for 16 years, given a discount rate of 6 percent per annum. As

Compute the present value of an 1150 payment made in ten

Compute the present value of an $1,150 payment made in ten years when the discount rate is 12 percent. (Do not round int

Compute the present value of an annuity of 699 per year

Compute the present value of an annuity of $ 699 per year for 19 years, given a discount rate of 6 percent per annum. As