Which is NOT truc of stationary time series data? l The process generating the d

Question

Which is NOT truc of stationary time series data? l The process generating the data has a constant a b The time series plot is a straight line c The variance is constant over time. d The statistical properties are constant over time 33 Describe the tise sories above s Linese trend b Seasonal with end Seasonal with nclinear trend d Cyclical with trend e None of the above 34 MSE, MAD, MAPE and RMSE messure forecest accurscy by a determining how well a particular forecasting method is abile to reprodace the tee series dats thuat are aready b sing the curent value to estimate how well the model gecrats previos values cormect)y c predicting the fabare values and wit for a pre-defised time period to esansine how socurate the pretnedout none of the descriptions in this list a Simple moving average b Weighted moving average c Trend analysis d Exponential smooting 00G) Size of Obs Sg Feet Gange Bedrooms Price 31 1000 4 2 1100 5 3 1150 6 4 1400 5 1,70013$ 86 1.900 $87 7 2100 10 8 1800 119 1900 1 $125 $125 $137 13 11 2.300 2 $150 --

Explanation / Answer

32) b) Time series plot is a straight line.

33) d) Cyclical with trend.

34) c) ..

35) c) Trend Analysis

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