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:

Related MCQs

• 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:
• 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 the sum of squares of the rank differences of 10 pairs of values is 30, find the correlation coefficient between them.
• 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
• The sum of the squares of the deviations of the variable is when taken about arithmetic mean
• The mean weight of 150 students in a class is 60 Kg. The mean weight of Boy students is 70 Kg and that of a girl students is 55 kg. Find the number of Boys and Girls in the class.
• A distribution consists of three components with total frequencies of 200, 250 and 300 having means 25, 10 and 15 respectively. Find the mean of the combined distribution.