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Correlation
Quiz by Diorando Obar
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5 questions
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- Q1What does a correlation coefficient measure?The difference between the mean and median of a datasetThe range of values in a datasetThe strength and direction of the linear relationship between two variablesThe probability that two events occur together by chance30s
- Q2What does a positive correlation coefficient indicate?A positive linear relationship between two variablesThe mean value of a datasetNo linear relationship between two variablesA negative linear relationship between two variables30s
- Q3What does a correlation coefficient of -0.7 indicate?A strong positive linear relationship between two variablesNo linear relationship between two variablesA strong negative linear relationship between two variablesThe mode value of a dataset30s
- Q4What does a correlation coefficient of 0 indicate?The median value of a datasetNo linear relationship between two variablesA strong negative linear relationship between two variablesA strong positive linear relationship between two variables30s
- Q5What is the range of values that a correlation coefficient can take?From 1 to 10From -1 to +1From 0 to 100From -10 to +1030s