The Turbine Oil Oxidation Test (TOST) and the Rotating Bomb Oxidation Test (RBOT) are two different procedures for evaluating the oxidation stability of steam turbine oils. An article reported the accompanying observations for*x* = TOST time (hr) and *y* = RBOT time (min) for 12 oil specimens.

TOST | 4200 | 3575 | 3750 | 3700 | 4050 | 2795 | 4870 | 4475 | 3450 | 2675 | 3750 | 3275 |
---|---|---|---|---|---|---|---|---|---|---|---|---|

RBOT | 370 | 335 | 375 | 310 | 350 | 195 | 400 | 375 | 285 | 225 | 345 | 285 |

(a) Calculate the value of the sample correlation coefficient. (Round your answer to four decimal places.)

*r* =

Subject | Mathematics |

Due By (Pacific Time) | 11/18/2015 09:00 pm |

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