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Q. Find the median of the set of numbers: 100, 200, 450, 29, 1029, 300 and 2001.

Q. If each observation of the data is increased by 5, then what happens to its mean?

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. The general purchasing power of the currency of a country is determined by:

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. The of group indices given the General Index

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

Q. Branches of statistics includes

Q. A coefficient of correlation is computed to be -0.95 means that

Q. Find the mode of 8, 5, 7, 10, 15, 21, 5, 7, 2, 5