Question

Select a corporation you are interested in and find that corporation’s annual reports for five consecutive years. Study these five annual reports and find the corporation’s total revenue (sales in dollar units) for each of those five years.

Perform the given tasks to prepare for the discussion:

• Prepare a time series plot of these data (years on the x axis, sales on the y axis).

• Use the first naive model you learned about in Week 1 to forecast data for year 6.

• Plot the actual data along with your forecast data.

Post your graph with your answer to the given question:

• Based on your graph of the actual data, do you think there is a trend in the data? Is there any seasonal variation? Please explain your reasoning

Answer 1

Part A

Here we are selecting the Apple Inc. It is the worlds largest company. The year selected between 2014 to 2018. The time series plot is,

Part B

The Forecast of the sales of the Apple Inc given below:

Part C

In the given data there is fluctuation in the data series. It is because of the price changes in the commodity and the industry wise shortages.