I write 2,3..............
<span><span>The correlation coefficient, r, and
the coefficient of determination,<span> r</span> 2 ,
will appear on the screen that shows the regression equation information
</span>(be sure the Diagnostics are turned on ---
2nd Catalog (above 0), arrow down to
DiagnosticOn, press ENTER twice.)
</span>
Simplify both sides of the equation.
−3f=6
Divide both sides by -3.
−3f/−3 = 6/−3
f=−2
Answer:
f=−2
Basically all you need to do is estimate what 32.7 x 2.8 is. If what you get is close to 91.56, then Tom's answer is reasonable. If what you get is not close to 91.56, then his answer is not reasonable. Do you know how to estimate by rounding?
Answer:
The sum of 15 and a number is
85 - 15 = 70