Coefficient of correlation 'r', given tabular data for X, Y

[dcc3038026]

Compute r, the coefficient of correlation.
Consider the data points with the following coordinates:

X | 31.7 | 43.8 | 40.7 | 17.5 | 29.0 |
Y |  5   | 10   |  3  |   4   |  3   |

 

[stapel]

Compute r, the coefficient of correlation. Consider the data points with the following coordinates:

X | 31.7 | 43.8 | 40.7 | 17.5 | 29.0 |
Y |  5   | 10   |  3  |   4   |  3   |

Are you supposed to be using a formula, an algorithm, Excel, a graphing calculator, or some other method? What result(s) have you gotten?

Please be complete. Thank you!

Eliz.