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PUNEET DOGRA-STATISTICS-PRE YEAR QUESTIONS
- The median of the observations 10, 11, 13, 17, x + 2, x + 4, 31, 33, 3...
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- Arithmetic mean of 10 observations is 60 and sum of squares of deviati...
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- Simplify:- (13 * 7 - 5)//4 = ?//2
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- The class marks in a frequency table are given to be 5, 10, 15, 20, 25...
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- The mean of 5 observations is 44 and variance is 8.24.If three of the ...
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- Consider the following discrete frequency distribution what is the val...
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- Mean of 100 observations is 50 and standard deviation is 10, if 5 is a...
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- If the range of a set of observations on a variable X is known to be 2...
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- If V is the variance and M is the mean of first 15 natural numbers, th...
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- A car travels first 60km at a speed of 3v km/hr and travels next om at...
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- The mean weight of 150 students in a certain class is 60kg. The mean w...
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- If two variables X and Y are independent, then what is correlation coe...
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- the mean of 100 observations is 50 and the standard deviation is 10. I...
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- Consider the following statements: 1.The algebraic sum of deviations ...
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- Let the correlation coefficient between X and Y be 0.6, random variabl...
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- If all the natural numbers between 1 and 20 are multiplied by 3, then ...
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- In any discrete series (when all values are not sume) if x represents ...
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- Which one of the following can be obtained from a histogram ?
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- if x(1) gt 0,y(1) gt 0 (1,2 3…. n) are the values of two variable X ...
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- The variance of 25 observations is 4. If 2 is added to each observatio...
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