Answer: To calculate the 3 point moving averages form a list of numbers, follow

Question

Answer:

To calculate the 3 point moving averages form a list of numbers, follow these steps:

1. Add up the first 3 numbers in the list and divide your answer by 3. Write this answer down as this is your first 3 point moving average.

2. Add up the next 3 numbers in the list and divide your answer by 3. Write this answer down as this is your second 3 point moving average.

3. Keep repeating step 2 until you reach the last 3 numbers.

a) Given That

1234

Three Week Moving average will be as following

B) Similarly 4 poiunt average is calculated by adding up first four numbers and then following the similar process as mentioned above

Following same process we get

Answer C: Based on MAD score would recommend 4 week moving average as increased data point gives more accurate average resulting in more average prediction

1234

Explanation / Answer

The owner of an online video rental service has recorded the following rentals each week Week Rentals: 1607 14121315 1514 1630 1256 1219 1234 a. Use a three-week moving average to forecast sales for each of the weeks 4 through 9. (Round your answer to 2 decimal places.) Week Forecast b. Use a four-week moving average to forecast sales for each of the weeks 5 through 9. (Round your answer to 2 decimal places.) eek Forecast c. Using error data from only Periods 5-8 for both forecast methods, which forecast method would you recommend based on the MAD measure? O 4 week moving average 3 week moving average

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