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1. Of the following measurement levels, which is required for the valid calculation of the Spearman correlation coefficient? A. nominal B. ordinal C. interval D. ratio 5. Professor Bill obtained a correlation of -0.85 between body weight and IQ. This means that: A. Obesity decreases intelligence. B. Heavy people have higher IQs than light people. C. People with high IQs are likely to be light. D. Malnutrition damages the brain. . In a" negative * relationship: A. as x increases, y increases B. as x decreases, y decreases C. as x increases, y decreases D. both A and B

1. Of the following measurement levels, which is required for the valid calculation of the Spearman correlation coefficient? A. nominal B. ordinal C. interval D. ratio 5. Professor Bill obtained a correlation of -0.85 between body weight and IQ. This means that: A. Obesity decreases intelligence. B. Heavy people have higher IQs than light people. C. People with high IQs are likely to be light. D. Malnutrition damages the brain. . In a" negative * relationship: A. as x increases, y increases B. as x decreases, y decreases C. as x increases, y decreases D. both A and B

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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4. Of the following measurement levels, which is required for the valid calculation of the Spearman correlation coefficient? A. nominal B. ordinal C. interval D. ratio 5. Professor Bill obtained a correlation of -0.85 between body weight and IQ. This means that: A. Obesity decreases intelligence. B. Heavy people have higher IQs than light people. C. People with high IQs are likely to be light. D. Malnutrition damages the brain. 6. In a " negative " relationship: A. as x increases, y increases B. as x decreases, y decreases C. as x increases, y decreases D. both A and B 7. When deciding which measure of correlation to employ with a specific set of data, you should consider: A. The type of level of measurement for each variable. C. both A and B D. neither A nor B B. The kind of association between the variables. 8. Of the following measurement levels, which is at a minimum required for the valid calculation of a Pearson correlation coefficient? A. nominal B. ordinal C. interval D. ratio 9. Which of the following statements is false? A. The range of the correlation coefficient is from -1 to +1. B. Spearman 's rho is used when one or both variables are at least of ordinal scaling. C. A correlation coefficient of -0.8 represents a higher degree of association between two variables than a correlation coefficient of +0.6. D. Negative correlation implies that low scores on one variable are related to low scores on another variable. 10. The lowest strength of association is reflected by which of the following correlation coefficients? C. -0.33 A. 0.95 B. – 0.60 D. 0.29
Transcribed Image Text:4. Of the following measurement levels, which is required for the valid calculation of the Spearman correlation coefficient? A. nominal B. ordinal C. interval D. ratio 5. Professor Bill obtained a correlation of -0.85 between body weight and IQ. This means that: A. Obesity decreases intelligence. B. Heavy people have higher IQs than light people. C. People with high IQs are likely to be light. D. Malnutrition damages the brain. 6. In a " negative " relationship: A. as x increases, y increases B. as x decreases, y decreases C. as x increases, y decreases D. both A and B 7. When deciding which measure of correlation to employ with a specific set of data, you should consider: A. The type of level of measurement for each variable. C. both A and B D. neither A nor B B. The kind of association between the variables. 8. Of the following measurement levels, which is at a minimum required for the valid calculation of a Pearson correlation coefficient? A. nominal B. ordinal C. interval D. ratio 9. Which of the following statements is false? A. The range of the correlation coefficient is from -1 to +1. B. Spearman 's rho is used when one or both variables are at least of ordinal scaling. C. A correlation coefficient of -0.8 represents a higher degree of association between two variables than a correlation coefficient of +0.6. D. Negative correlation implies that low scores on one variable are related to low scores on another variable. 10. The lowest strength of association is reflected by which of the following correlation coefficients? C. -0.33 A. 0.95 B. – 0.60 D. 0.29
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