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Q. The measure of dispersion based on all the observations of the series is …………….

Q. Meaures of dispersion which ignores the sign is……………

Q. Three fair coins tossed simultaneously what is the probability to get exact 2 head?

Q. Which of the following is the most unstable average ?

Q. In a binomial distribution, n =5 mean equals 2, what is the value of q?

Q. The major purpose of price index is to measure change in the …………

Q. Which one is correct for a binomial distribution?

Q. Histogram is a ………………

Q. Recurrent variations in time series that usually last longer than a year is known as ……………

Q. Purchasing power of money