Describing Time Series Plots (Unit 3 General Math)

The average prices of houses in Queensland over the past 30 years recorded yearly:

• Upward

• Downward

• Cyclical

• Seasonal

The amount of rain per month over the past 5 years.

• Upward

• Downward

• Cyclical

• Seasonal

The sale of snow ski equipment in a shop in the village at Mt Buller

• Upward

• Cyclical

• Seasonal

• Downward

The sales figures for a company over a two year period are recorded in the graph. The graph can be described as showing:

• Irregular Fluctuations

• Upward trend with seasonal fluctuations

• Seasonal fluctuations

• No trend

Which of the explanations best explains the what we can see in Plot A.

• Decreasing Trend, regularly spaced peaks and troughs indicates Seasonality, leading to irregular fluctuations

• No apparent trend, cyclical variation leading to irregular fluctucations

• Increasing trend, Seasonality, leading to irregular fluctuations

Which of the explanations best explains the what we can see in Plot B.

• Decreasing Trend, regularly spaced peaks and troughs indicates Seasonality, leading to irregular fluctuations

• Increasing trend, Seasonality, leading to irregular fluctuations

• No apparent trend, cyclical variation leading to irregular fluctucations

Which of the explanations best explains the what we can see in Plot C.

• Decreasing Trend, regularly spaced peaks and troughs indicates Seasonality, leading to irregular fluctuations

• Increasing trend, Seasonality, leading to irregular fluctuations

• No apparent trend, cyclical variation leading to irregular fluctucations

The pattern in the time series in the graph shown is best describe as:

• Trend

• cyclical but not seasonal

• seasonal

• irregular

The following figure shows the highest note (measured on a scale out of 100) played by a saxophonist over a 10-month period.

• Cyclic

• Seasonal

• Irregular

• Upward trend

Which graph displays seasonal data?

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