9.69.29.39.79.89.79.710.69.99.69.49.7If required, round your answer to two decimal places.

(a)Choose the correct time series plot.(i)(ii)(iii)(iv)- Select your answer -

Graph (i)

Graph (ii)

Graph (iii)

Graph (iv)

Item 1

What type of pattern exists in the data?- Select your answer -

Positive trend pattern

Horizontal pattern

Vertical pattern

Negative trend pattern

Item 2

(b)Develop three-month and four-month moving averages for this time series.If required, round your answers to two decimal places.

Month

Sales3 Month

Moving Average4 Month

Moving Average19.629.239.349.759.869.779.7810.699.9109.6119.4129.7Enter the Mean Square Errors for the three-month and the four-month moving average forecasts. If needed, round your answers to three decimal digits.3-month

moving average4-month

moving averageMSEDoes the three-month or the four-month moving average provide the better forecasts based on MSE? Explain.- Select your answer -

3-month moving average

4-month moving average

Item 22

- Select your answer -

Moving average with the lowest MSE provides the better forecast.

Moving average with the highest MSE provides the better forecast.

Item 23

(c)What is the moving average forecast for the next month?