SOLUTION: I don't have a graphing calculator & need some much needed help on the numbers below. Here are the questions. 1. Use your calculator to find the equation of the regression line. W

Question 1039955: I don't have a graphing calculator & need some much needed help on the numbers below. Here are the questions. 1. Use your calculator to find the equation of the regression line.
Write the equation in y=ax+b form. Do not use any spaces. Round a and b to the nearest tenth. The next question is What is the correlation coefficient for the data?
Don't forget to turn the Diagnostic On (in the catalog menu of the calculator) (round to the nearest thousandth. Here is the list of numbers of weight/height.
99 61
104 61
110 62
133 64
130 65
142 68
146 66
153 67
184 69
185 70
Answer by Theo(13342) (Show Source): You can put this solution on YOUR website!
using ti-84 plus, results are:

y = ax + b
a = .1037375862
b = 50.92197055
r^2 = .9156110368
r = .9568756642.

using alcula statistics calculator, i get the same results.

alcula statistics calculator can be found here:

http://www.alcula.com/calculators/statistics/

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