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NCERT TAMIL-STATISTICS AND PROBABILITY -EXERCISE 8.5
- Which of the following is not a measure of dispersion ?
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- The range of the data 8,8,8,8,8..8 is
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- The sum of all deviations of the data from its mean is
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- The mean of 100 observations is 40 and their standard deviation is 3....
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- Variance of first 20 natural numbers is
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- The standard deviation of a data is 3. If each value is multiplied by ...
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- If the standard deviation of x, y, z is p then the standard deviation...
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- If the mean and coefficient of variation of a data are 4 and 87.5 % th...
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- Which of the following is incorrect ?
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- The probability a red marble selected at random from a jar containing ...
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- A page is selected at random from a book. The probability that the dig...
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- The probability of getting a job for a person is (x)/(3). If the proba...
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- Kamalam went to play a lucky draw contest. 135 tickets of the lucky dr...
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- If a letter is chosen at random from the English alphabets {a, b,.., z...
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- A purse contains 10 notes of Rs. 2000, 15 notes of Rs. 500, and 25 not...
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