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3. Two lists of numbers, X and Y, have a correlation of 0.3; X and Z have a correlation of - 0.7 We know that: A. the stronger correlation is the correlation of X and Y, since it is positive. B. the stronger correlation is the correlation of X and Z. C. the two correlations are equally strong, since 1.0 - 0.7=0.3 D. We cannot tell which is stronger without more information. 4. Which of the following sets of variables is most likely to have a negative association? A. the number of bedrooms and the number of bathrooms in a house B. the number of rooms in a house and the time it takes to vacuum the house C. the age of a house and the cleanliness of the carpets inside D. the size of a house and its selling price

3. Two lists of numbers, X and Y, have a correlation of 0.3; X and Z have a correlation of - 0.7 We know that: A. the stronger correlation is the correlation of X and Y, since it is positive. B. the stronger correlation is the correlation of X and Z. C. the two correlations are equally strong, since 1.0 - 0.7=0.3 D. We cannot tell which is stronger without more information. 4. Which of the following sets of variables is most likely to have a negative association? A. the number of bedrooms and the number of bathrooms in a house B. the number of rooms in a house and the time it takes to vacuum the house C. the age of a house and the cleanliness of the carpets inside D. the size of a house and its selling price

MATLAB: An Introduction with Applications
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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3. Two lists of numbers, X and Y, have a correlation of 0.3; X and Z have a correlation of - 0.7 We know that: A. the stronger correlation is the correlation of X and Y, since it is positive. B. the stronger correlation is the correlation of X and Z. C. the two correlations are equally strong, since 1.0 - 0.7 = 0.3 D. We cannot tell which is stronger without more information. 4. Which of the following sets of variables is most likely to have a negative association? A. the number of bedrooms and the number of bathrooms in a house B. the number of rooms in a house and the time it takes to vacuum the house C. the age of a house and the cleanliness of the carpets inside D. the size of a house and its selling price
Transcribed Image Text:3. Two lists of numbers, X and Y, have a correlation of 0.3; X and Z have a correlation of - 0.7 We know that: A. the stronger correlation is the correlation of X and Y, since it is positive. B. the stronger correlation is the correlation of X and Z. C. the two correlations are equally strong, since 1.0 - 0.7 = 0.3 D. We cannot tell which is stronger without more information. 4. Which of the following sets of variables is most likely to have a negative association? A. the number of bedrooms and the number of bathrooms in a house B. the number of rooms in a house and the time it takes to vacuum the house C. the age of a house and the cleanliness of the carpets inside D. the size of a house and its selling price
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