This question is based on the sixth and seventh slides of the video above (minutes 6:30-7:30).
Lower cost of prediction means:

Question

This question is based on the sixth and seventh slides of the  video  above (minutes 6:30-7:30). 
 Lower cost of prediction means:

Answer

analyzing data more  efficient ly

Answer

making fewer forecasting errors

Answer

all of the above

Answer

crunching numbers faster

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