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For the following data, what is a for this data? a being the regression coefficient. Participant...

For the following data, what is a for this data? a being the regression coefficient.

Participant X Variable Y Variable
1 5 2
2 10 3
3 15 4
0 0
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Answer #1

From the given data, the following Table is calculated:

X Y XY X2
5 2 10 25
10 3 30 100
15 4 60 225
Total = 30 9 100 350

Intercept (a) is given by:

Slope (b) is given by:

So,

Regression Equation is:

y =- 1 + 0.2 x

So,

Answer to question asked:

a = 1.00

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