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NDA PREVIOUS YEARS-STATISTICS-MCQs
- The definition of Mode fails if:
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- A firm employing 30 workers and paying on an average Rs 500 is combine...
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- Which one of the following statement is correct ?
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- The mean weight of all the students in a certain class is 60 kg. The m...
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- Frequency curves for the distribution of blood pressure readings of ce...
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- If the slopes of the line of regression of Y and X and of X and Y are ...
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- Which one of the following measures is the most suitable one of centra...
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- In a binomial distribution, the mean is 4 and the variance is 3. What ...
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- If X is changed to a+hU and Y to b+kV, then which one of the following...
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- Students of two schools appeared for a common test carrying 100 marks....
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- If AM of numbers x(1),x(2)…..x(n) is mu, then what is tha AM of the nu...
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- In computing a measure of the central tendency for any set of 51 numbe...
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- The data below record and itemwise quarterly expenditure of a private ...
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- While constructing the cumulative frequency column of a frequency dis...
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- If in a frequency distribution table with 12 classes, the width of eac...
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- Consider the following statements : The appropriate number of classe...
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- The populations of four towns A, B, C and D as on 2001 are as follows:...
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- Consider the two series of observations A and B as follows: If th...
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- If n(1) and n(2) are the sizes, G(1) and G(2) the geometric means of t...
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- Let barx be the mean of n observations x(1),x(2),……..,x(n). If (a-b) i...
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