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Q. 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.

Q. Find the Mode of 5, 3, 27, 5, 9, 3, 8, 5:

Q. The following numbers represent the ages of people on a bus: 3, 6, 27, 13, 6, 8, 12, 20, 5, 10. Calculate their mean of their ages.

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

Q. The value of β2 can be:

Q. Asimpleindexnumberis anumberthatmeasures arelativechangein ?

Q. In regression analysis, if the independent variable is measured in kilograms, the dependent variable:

Q. The mean of 10 observations is 10. All the observations are increased by 10%. The mean of increased observations will be:

Q. The correlation coefficient is used to determine:

Q. The measure of dispersion which uses only two observations is called: