Database System Concepts
Database System Concepts
7th Edition
ISBN: 9780078022159
Author: Abraham Silberschatz Professor, Henry F. Korth, S. Sudarshan
Publisher: McGraw-Hill Education
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A study shows that the correlation between head circumference and IQ score is 0.50. If a least-squares regression was performed, which of the following would be true? (Select all that apply)
25% of the varability in IQ score is explained by head circumference
O 50% of the varability in IQ score is explained by head circumference
25% of the varability in head circumference is explained by IQ score
50% of the varability in head circumference is explained by IQ score
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Transcribed Image Text:A study shows that the correlation between head circumference and IQ score is 0.50. If a least-squares regression was performed, which of the following would be true? (Select all that apply) 25% of the varability in IQ score is explained by head circumference O 50% of the varability in IQ score is explained by head circumference 25% of the varability in head circumference is explained by IQ score 50% of the varability in head circumference is explained by IQ score
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