
Correlation Analysis Quiz
Quiz by Arvin Gara
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- Q1
What is correlation analysis?
A method for creating bar charts
A way to determine the median of a set of data
A statistical technique used to analyze the relationship between two or more variables
60s - Q2
What is a correlation coefficient?
A value that measures the variability of a data set
A value that measures the strength and direction of the relationship between two variables
A value that measures the central tendency of a data set
60s - Q3
What are the two types of correlation coefficients?
Positive correlation coefficient and negative correlation coefficient
Simple correlation coefficient and multiple correlation coefficient
Pearson correlation coefficient and Spearman rank correlation coefficient
60s - Q4
What does a correlation coefficient of 0 indicate?
There is a strong positive relationship between the variables
There is a strong negative relationship between the variables
There is a weak or no relationship between the variables
60s - Q5
What does a correlation coefficient of -1 indicate?
There is a strong positive relationship between the variables
There is a strong negative relationship between the variables
There is no relationship between the variables
60s - Q6
What is the range of possible values for a correlation coefficient?
10 to 10
-1 to 1
0 to 1
60s - Q7
What is a scatter plot?
A statistical technique used to analyze the relationship between three or more variables
A graphical representation of the relationship between two variables
A method for creating a frequency distribution
60s - Q8
What is a positive correlation?
When one variable increases and the other decreases
When there is no relationship between the variables
When two variables increase or decrease together
60s - Q9
What is a negative correlation?
When one variable increases and the other decreases
When two variables increase or decrease together
When there is no relationship between the variables
60s - Q10
What is the difference between correlation and causation?
Correlation refers to the relationship between two variables, while causation refers to the ability of one variable to cause changes in another
Correlation refers to the ability of one variable to cause changes in another, while causation refers to the relationship between two variables.
Correlation and causation are the same things.
60s