# 2759 Fitting Trend Lines And Forecasting (Seasonal Data)

8 Questions | Total Attempts: 82

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Questions and Answers
• 1.
From the time series plot above, should you deseasonalise the data before calculating the trend line?
• A.

No, it appears to have random variation only.

• B.

Yes, it appears to have seasonal variation that needs to be deseasonalised

• C.

No, it appears to have cyclic variation that needs to be randomised

• D.

No, it appears to have cyclic variation

• 2.
From the time series plot above, should you deseasonalise the data before calculating the trend line?
• A.

No, it appears to have random variation only.

• B.

Yes, it appears to have seasonal variation that needs to be deseasonalised

• C.

No, it appears to have cyclic variation that needs to be randomised

• D.

Yes, it appears to have cyclic variation

• 3.
From the time series plot above, should you deseasonalise the data before calculating the trend line?
• A.

No, it appears to have random variation only.

• B.

Yes, it appears to have seasonal variation that needs to be deseasonalised

• C.

No, it appears to have cyclic variation which requires smoothing

• D.

Yes, it appears to have cyclic variation

• 4.
From the time series plot above, should you deseasonalise the data before calculating the trend line?
• A.

No, it appears to have random variation only.

• B.

Yes, it appears to have seasonal variation that needs to be deseasonalised

• C.

No, it appears to have cyclic variation

• D.

Yes, it appears to have cyclic variation

• 5.
From the time series plot above, should you deseasonalise the data before calculating the trend line?
• A.

No, it appears to have random variation only.

• B.

Yes, it appears to have seasonal variation that needs to be deseasonalised

• C.

No, it appears to have cyclic variation which requires smoothing

• D.

Yes, it appears to have cyclic variation

• 6.
From the time series plot above, should you deseasonalise the data before calculating the trend line?
• A.

No, it appears to have random variation only.

• B.

Yes, it appears to have seasonal variation that needs to be deseasonalised

• C.

No, it appears to have cyclic variation which requires smoothing

• D.

Yes, it appears to have cyclic variation which we can deseasonalise

• 7.