A number X is chosen at random from the numbers -3, -2, -1, 0, 1, 2, 3. What is the probability that |X|<2
X can take 7 values. To get |X|+2) take X={−1,0,1}
=> P(|X|<2) = Favourable CasesTotal Cases = 3/7
Find the range and mode of the data 17, 18, 28, 19, 16, 18, 17, 29, 18
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Find the standard deviation of {11, 7, 10,13, 9}
A table tennis player, lost 12 games out of 18 games played. Calculate the games won in terms of decimal.
A sequence a, ax, ax2, ......, axn, has odd number of terms. Then the median is
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The variance of a set of data is 169. Then the standard deviation of the data is
If the standard deviation of a population is 10, what would be the population variance?
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