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Business Statistics
?
The first and second moments about arbitrary constant are -2 and 13 respectively, The standard deviation will be:
-2
3
9
13
Show Result
Correct
- Your answer is correct.
Wrong
- Your answer is wrong.
Detailed Answer
Correct answer: (B)
3
Related MCQs
?
If Y = aX ± b, where a and b are any two constants and a ∦ 0, then the quartile deviation of Y values is equal to:
?
For a symmetrical distribution:
?
The scatter in a series of values about the average is called:
?
The measures of dispersion can never be:
?
Which of the following is an absolute measure of dispersion?
?
If the observations of a variable X are, -4, -20, -30, -44 and -36, then the value of the range will be:
?
If the maximum value in a series is 25 and its range is 15, the maximum value of the series is:
?
Mean deviation computed from a set of data is always:
?
Which measure of dispersion has a different unit other than the unit of measurement of values:
?
The positive square root of the mean of the squares of the deviations of observations from their mean is called:
