Time Series

Which is moving average's objective?

• forecasting

• smoothing

• estimate trend & cycle

• all the above options

Determine the appropriate components of time series for the situation below: The sales of school uniforms during the year-end school holiday.

• Trend

• Seasonal Variations

• Cyclical Variations

• Irregular fluctuations

Determine the appropriate components of time series for the situation below:

The number of registered college students increase every year from 2015 to 2018.

• Trend

• Seasonal Variations

• Cyclical Variations

• Irregular fluctuations

Determine the appropriate components of time series for the situation below: The occurrence of typhoon Hagibis causing a sudden drop in reservation hotels in Japan.

• Trend

• Seasonal Variations

• Cyclical Variations

• Irregular fluctuations

Find X.

• 266

• 268

• 270

• 271

Find Y.

• 137.5

• 91.67

• 55

• 54.6

Find Z.

• 90.4558

• 111.2

• 89.9281

• 5

Find P

• 100.5708

• 201.1415

• 67.0472

• 100.5808

Find Q

• 0.9997

• 1.0040

• 1.0004

• 0.9996

Find R

• 97.6187

• 99.87612

• 107.8458

• 106.2696