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 RBOT 4200 3575 3750 3700 4050 2795 4870 4525 3450 2675 3750 3275 370 335 375 315 350 200 400 380 285 220 345 285 (a) Calculate the value of the sample correlation coefficient. (Round your answer to four decimal places.) (=
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 RBOT 4200 3575 3750 3700 4050 2795 4870 4525 3450 2675 3750 3275 370 335 375 315 350 200 400 380 285 220 345 285 (a) Calculate the value of the sample correlation coefficient. (Round your answer to four decimal places.) (=
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.1: Measures Of Center
Problem 9PPS
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Transcribed Image Text: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 4525 3450 2675 3750 3275
RBOT 370 335 375 315 350 200 400 380 285 220 345
285
(a) Calculate the value of the sample correlation coefficient. (Round your answer to four decimal places.)
r=
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