Consider the numbers 1,2,3,4,5,6,7,8,9,1...

Consider the numbers 1,2,3,4,5,6,7,8,9,10. If 1 is added to each number, the variance of the numbers so obtained is

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RD SHARMA ENGLISH-STATISTICS-All Questions

If the standard deviation of a variable X \ is \ sigma , then standard...
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Following are the marks obtained, out of 100, by two students Ravi and...
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The mean of 100 numbers observations is 50 and their standards devi...
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Let x1, x2, ,xn be xn observations. Let yi=a xi+b for i=1,2,...,n wher...
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Let x1, x2, ... ,xn be n observations and barX be their arithmetic me...
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The following are some particulars of the distribution of weights of ...
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Find the variance and standard deviation of the following frequency ...
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