exam Maths Puzzle Numerical Ability

I didn't realize you had asked what SS meant (sorry).
SS is the sum of the squared deviation scores


Very Important Homework:
I need some help, PLEASE!

The following dat

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exam Other Question

Can someone please help me with problem?

These data represent the population of a certain geographic region.
Year Population (in millions)
1950 34
1960 38
1970 43
1980
What is the solution for 2x-y=4
4x=2y+8