Time series hybrid

This study used data from...

• NZ

• UK

• USA

• You can't tell

Who is the audience for this report?

• The minister of education

• The NZ minister of transport

• The British minister of transport

Does this data show seasonality?

• Yes

• Not clear seasonality

What does piecewise mean?

• Seasonality

• Varience

• Forecast

• Splitting a graph into sections

What is the trend for registration of hybrid and electric cars in the UK?

• Positive

• Negative

• Levelled off

On the recomposition graph, which line shows the residual?

• Blue

• Green

• Orange

• Red

Look at the residual section of the recomposition graph. What does it show?

• Reasonably small residuals

• Large residuals

• Residuals that become much greater after January 2021

On the forecast graph, what colour are the forecasts?

• Pink

• Blue

• Black

• Red

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