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Questions and Answers
What does a positive correlation coefficient indicate?
What does a positive correlation coefficient indicate?
What type of data is Pearson’s r used with?
What type of data is Pearson’s r used with?
What does a correlation coefficient of 0 indicate?
What does a correlation coefficient of 0 indicate?
When is Spearman’s Rho used?
When is Spearman’s Rho used?
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What does variability refer to when analysing graphics in the context of data?
What does variability refer to when analysing graphics in the context of data?
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What does skewness refer to in the context of data analysis?
What does skewness refer to in the context of data analysis?
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Which measure of central tendency is the middle score in a set of ordered data?
Which measure of central tendency is the middle score in a set of ordered data?
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What does kurtosis refer to in the context of data analysis?
What does kurtosis refer to in the context of data analysis?
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In a boxplot, what does the line in the middle of the box represent?
In a boxplot, what does the line in the middle of the box represent?
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What does the range refer to in the context of variability?
What does the range refer to in the context of variability?
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In the context of the given text, what is the independent variable in the relationship between studying and grades?
In the context of the given text, what is the independent variable in the relationship between studying and grades?
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Based on the text, what type of studies allow us to say that the independent variable causes a change in the dependent variable with certainty?
Based on the text, what type of studies allow us to say that the independent variable causes a change in the dependent variable with certainty?
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What is the term used in the text for other potentially influencing factors that are associated with the independent and dependent variables?
What is the term used in the text for other potentially influencing factors that are associated with the independent and dependent variables?
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In what type of studies can we be sure of the cause and effect relationship between independent and dependent variables?
In what type of studies can we be sure of the cause and effect relationship between independent and dependent variables?
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In the context of the given text, what is the dependent variable in the relationship between office workers and heart disease?
In the context of the given text, what is the dependent variable in the relationship between office workers and heart disease?
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What type of studies do not allow us to be certain about cause and effect relationships between variables?
What type of studies do not allow us to be certain about cause and effect relationships between variables?
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Based on the text, what term is used for examining the relationship between two category variables or two continuous variables?
Based on the text, what term is used for examining the relationship between two category variables or two continuous variables?
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