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Q. The measurements of spread or scatter of the individual values around the central point is called:

Q. Bowley's coefficient of skewness lies between:

Q. Regression Coefficient of Y on X is:

Q. Seasonal variations are short term variations with period

Q. If the values of mean, median and mode coincide in a unimodal distribution, then the distribution will be:

Q. If r is the simple correlation coefficient, the quantity ?2 is known as ...................

Q. One use of a regression line is

Q. The arithmetic mean of the marks obtained by 50 students was calculated as 44. It was later discovered that a score of 36 was misread as 56. Find the correct value of arithmetic mean of the marks obtained by the students.

Q. The regression coefficient of X on Y is:

Q. Find the median of the set = { 11,22,33,55,66,99 }