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Q. The point of intersection of two regression lines is..........................

Q. In statistics out of 100, marks of 21 students in final exams are as 90, 95, 95, 94, 90, 85, 84, 83, 85, 81, 92, 93, 82, 78, 79, 81, 80, 82, 85, 76, 85 then mode of data is

Q. The coefficient of variation cannot be meaningfully used to compare the variability of two or more sets of data, when

Q. Regression Coefficient of Y on X is:

Q. If one of the regression coefficients is greater than unity, the other must be:

Q. 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:

Q. If the mode is 14 and value of mean is 5 then the value of median is

Q. For a symmetrical distribution:

Q. The standard deviation is independent of:

Q. The coefficient of correlation between the regression coefficients is: