Time Series

On the forecast graph, what colour are the confidence intervals?

• Pink

• Blue

• Black

• Red

What is the meaning of a confidence intervals?

• the lowest possible value a prediction can have

• a range within which a prediction is likely to be

• the higest possible value a prediction can have

• an expected value based on the Holt-Winters model

Would you say that the model is a good fit for the data?

• no

• yes

• no, historic predictions only fit until the third quarter of 2019

• no, historic predictions only fits until the third quarter of 2020

A time series is a sequence of data points, measured typically at successive spaced at uniform time intervals.

• TRUE

• FALSE

Which component of time series refers to erratic time series movements that follow no recognizable or regular pattern?

• Trend

• Seasonal

• Cyclical

• Irregular

There are ______ components of time series.

Which of the following can't be a component of time series?

• Seasonal

• Cyclical

• Trend

• Mean

An overall upward or downward pattern in an annual time series would be contained in which component of the time series?

• Trend

• Cyclical

• Irregular

• Seasonal

What is Time Series?

• A set of data over a period of time

• A set of data over a year

• A set of data related with money only

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

The increase on demand of the fresh chickens during Hari Raya Aidilfitri

• Trend

• Seasonal Variations

• Cyclical Variations

• Irregular fluctuations