The sample coefficient of correlation

Related MCQs

• The rank correlation coefficient of a debating contest involving 10 participants was calculated as 0.6. However, it was later discovered that the difference in the ranks of some participants was read as 8 instead of 3. Find the correct correlation coefficient:
• If there is a very strong correlation between two variables then the correlation coefficient must be:
• If the coefficient of determination is equal to 1, then the correlation coefficient :
• Relationship between correlation coefficient and coefficient of determination is that:
• Relationship between correlation coefficient and coefficient of determination is that
• In a bivariate sample, the sum of squares of differences between marks of observed values of two variables is 33 and the rank correlation between them is 0.8. Find the number of pairs of observations:
• A numerical value used as a summary measure for a sample, such as sample mean, is known as a
• If the sum of squares of the rank differences of 10 pairs of values is 30, find the correlation coefficient between them.
• In a bivariate distribution, Spearman’s Coefficient of Correlation is -0.25. If the sum of the squares of various ranks is 150, find out the number of pairs of items:
• The coefficient of correlation between the regression coefficients is: