Petron has formulated a new chemical to be added in their petrol. To determine the effectiveness of
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Petron has formulated a new chemical to be added in their petrol. To determine the effectiveness of the new formulated chemical, they recorded the amount of chemical had been added in the petrol (in liter) and the distances traveled (in km) by 10 automobiles in the follow table:
a. Calculate the Spearman rank correlation coefficient.
b. Carry out a test of the null hypothesis for Petron to determine the association between the amount of chemical added and distances traveled.
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Related Book For 
Statistics For Business And Economics
ISBN: 9781292315034
9th Global Edition
Authors: Paul Newbold, William Carlson, Betty Thorne
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