Question

1.)
Years: 1 2 3 4 5 6 7 8
Height: 2.1 3.2 6.8 7.3 11.2 12.6 13.4 15.9
about about tall would you expect these trees to be after 22 years ?
a.)22.31 ft
b.)35.2 ft
c.)44.25****
d.)46.2ft

2.)temp:68 77 83 85 89 94 96 99
number
of
cones:403 447 457 465 489 503 543 576

what is the corelation coefficient of the set of data? round to the nearest thousandth

a.)0.956****
b.)-0.972
c.)0.019
d.)0.508

Answer 1

http://www.mathportal.org/calculators/statistics-calculator/correlation-and-regression-calculator.php

Answer 2

are they correct

Answer 3

LOL, you plug the data into the software and ask for correlation coef.