CORRELATION ANALYSIS QUIZ
Quiz by Arvin Gara
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- Q1
The Pearson correlation coefficient measures:
a) The strength and direction of the linear relationship between two continuous variables
The relationship between two categorical variables
The association between an independent variable and a dependent variable
The significance level of a statistical test.
60s - Q2
What is the range of values for the Pearson correlation coefficient?
-1 to 1
0 to 1
∞ to ∞
-10 to 10
30s - Q3
A Pearson correlation coefficient of -0.85 indicates
A strong negative linear relationship
weak positive linear relationship
No linear relationship.
A strong positive linear relationship
30s - Q4
The p-value associated with the Pearson correlation coefficient represents
The significance of the correlation
The direction of the correlation
The variability of the correlation.
The strength of the correlation
30s - Q5
When interpreting the Pearson correlation coefficient, a value close to +1 indicates
A strong positive linear relationship.
A weak positive linear relationship
A strong negative linear relationship
No linear relationship.
30s - Q6
If the Pearson correlation coefficient is 0.20, it suggests:
A weak positive linear relationship
A moderate positive linear relationship
A weak negative linear relationship
No linear relationship
30s - Q7
In a scatter plot, a Pearson correlation coefficient of -0.70 would be represented by:
Points forming a downward-sloping line
Points forming an upward-sloping line
Points scattered randomly with no discernible pattern
Points forming a straight horizontal line
30s - Q8
If the p-value associated with the Pearson correlation coefficient is 0.02, it suggests:
The correlation is statistically significant
The correlation is not statistically significant
The strength of the correlation is high
The direction of the correlation is positive.
30s - Q9
_______ refers to the measurement of the relationship between two variables.
Correlation
Correlation coefficients
magnitude
sign
30s - Q10
______ it obtained when calculating the Pearson correlation coefficient using the ranks of the score values of the dataset
Spearman Rho
Pearson R
Anova
Sampling
30s