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ICSE-MEASURES OF DISPERSION-EXERCISE 21 (b)
- Five students secured marks as, 8, 10, 15, 30, 22. Find the standard d...
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- For a set of ungrouped values the following sums are found: " ...
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- The standard deviation of the numbers 2, 3, 11, 2x is 3""1/2. Calculat...
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- Calculate the variance and standard deviation of the observations : 11...
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- Find the standard deviation of the following set of numbers: 25, 50,...
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- Calculate the possible values of x, if the standard deviation of the n...
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- Calculate the standard deviation for the following distribution:
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- Calculate the standard deviation of the following data:
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- Calculate the standard deviation of the following data:
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- Calculate the standard deviation for the following data giving the age...
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- The heights, to the nearest cm, of 30 men are given below: {:(159, 1...
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- Find the mean and the standard deviation from the following:
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- The following table shows the I.Q. of 480 schoolchildren. Find (i) t...
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- In a certain test, the 30 scores were grouped as follows: Calcula...
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- The number of faults on the surface of each of 1000 tiles were distrib...
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- The mean and the standard deviation of 25 observations are 60 and 3. L...
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- The scores of two golfers for 10 rounds each are: Which may be re...
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- Goals scored by two teams A and B in a football season were as follows...
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- The mean of the numbers a, b, 8, 5, 10 is 6 and the variance is 6.80. ...
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