Regression | Explanatory and Response variables / meaning of a & b in y=a+bx

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Dont do mechanical engineering

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[@georgehenna]

At 9:00, how many mistakes would you expect after 10 hours of practice because it is impossible to make negative amount of mistakes? Since , if the expected number of mistakes stays constant at 0 after 9 hours would, there be a linear correlation?Thanks.

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OMG thanks for this my teacher couldnt explain it for days :D

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Nice video.. clears the concept for me now..

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[@killer2434]

so if you said the number of mistakes after 0 hours of practice is 19.8 would that be wrong? do you need to round it to the nearest whole number to put it into context

[@ExamSolutions_Maths]

+KING You would need to put it into context. You cannot make 19.8 mistakes.

[@rufusjones3488]

@@ExamSolutions_Maths But the expected average can be 19.8, no?