Hi all, im struggling with what to do with this multiple regression question, any help tips or pointers would be greatly appreciated!

Am i right in thinking for part 1, sign is just +ve pr -ve, magnitude is just size, but im nto sure on significance,

Need some pointers and help as to where to start and how i can go through it.

Am i right in thinking for part 1, sign is just +ve pr -ve, magnitude is just size, but im nto sure on significance,

Need some pointers and help as to where to start and how i can go through it.

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