A study was conducted on the relationship between the speed of different cars and their gasoline mileage.
Question:
A study was conducted on the relationship between the speed of different cars and their gasoline mileage. The correlation coefficient was found to be 0.35. Later, it was discovered that there was a defect in the speedometers and they had all been set 5 miles per hour too fast. The correlation coefficient was computed using the corrected scores. Its new value will be:
a. 0.30
b. 0.35
c. 0.40
d. -0.35
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The correct answer is B 035 The correlation coefficient is unitless whi...View the full answer
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Related Book For 
Introduction To Probability And Statistics
ISBN: 9781133103752
14th Edition
Authors: William Mendenhall, Robert Beaver, Barbara Beaver
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