You generate a scatter plot using Excel. You then have Excel plot the trend line and report the equation and the r 2 value. The regression equation is reported as y = 33.17 x + 22.61 and the r 2 = 0.2025 . What is the correlation coefficient for this data set?

a4 - 3a2 - 1

step-by-step explanation:

step   1   :

equation at the end of step   1   :

  ((a4) -   3a2) -   1

step   2   :

trying to factor by splitting the middle term

2.1     factoring   a4-3a2-1  

the first term is,   a4   its coefficient is   1 .

the middle term is,   -3a2   its coefficient is   -3 .

the last term, "the constant", is   -1  

it has 4

step-by-step explanation:

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