Correlation in Statistics MCQs
Correlation in Statistics MCQs
Our team has conducted extensive research to compile a set of Correlation in Statistics MCQs. We encourage you to test your Correlation in Statistics knowledge by answering these multiple-choice questions provided below.
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1: In a regression analysis, the variable that is used to predict the dependent variable ______.
A. Is the independent variable
B. All are required assumptions about the error term.
C. X-axis of a scatter diagram
D. SSR = SST
E. SSE must be equal to 0
2: What is correlation in statistics?
A. A statistical measure of central tendency
B. A statistical measure of the spread or variability of data
C. A statistical measure of the strength and direction of the relationship between two variables
D. A statistical measure of the difference between sample means
3: Which statistical measure is used to quantify the strength of a linear relationship between two variables?
A. Mean
B. Standard deviation
C. Correlation coefficient
D. Variance
4: What does a correlation coefficient value of -1 indicate?
A. A perfect positive relationship between two variables
B. No relationship between two variables
C. A perfect negative relationship between two variables
D. A weak positive relationship between two variables
5: Which of the following correlation coefficients indicates the strongest linear relationship?
A. 0.5
B. -0.2
C. 0
D. -1
6: In a scatter plot, how is a positive correlation visually represented?
A. Points scattered randomly without any discernible pattern
B. Points forming a straight line that slopes upward
C. Points forming a straight line that slopes downward
D. Points forming a curved line
7: What does a correlation coefficient of 0 indicate?
A. A weak positive relationship between two variables
B. No relationship between two variables
C. A weak negative relationship between two variables
D. A perfect negative relationship between two variables
8: What is the range of values for a correlation coefficient?
A. -1 to 0
B. -1 to 1
C. 0 to 1
D. 0 to infinity
9: Which of the following is a possible interpretation of a correlation coefficient of 0.7?
A. There is a strong negative relationship between the variables.
B. There is a moderate positive relationship between the variables.
C. There is a strong positive relationship between the variables.
D. There is no relationship between the variables.
10: What does it mean if the correlation coefficient is close to -1 or 1?
A. There is a weak relationship between the variables.
B. There is a strong positive relationship between the variables.
C. There is a strong negative relationship between the variables.
D. There is no relationship between the variables.
11: Which statistical test can be used to determine if a correlation coefficient is statistically significant?
A. T-test
B. Analysis of Variance (ANOVA)
C. Pearson's correlation test
D. Chi-square test
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Correlation in Statistics MCQs
