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Statistics MCQs - 2024

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CSS Statistics

Statistics 2024 MCQs

1 / 20

F-distribution curve in respect of tails is:

2 / 20

The headings of the rows given in the first column of a table are called:

3 / 20

A study based on complete enumeration is known as:

4 / 20

Let X has a random variable U(0,1), then the variable y = -2 log X follows:

5 / 20

With the help of ogive curve, one can determine:

6 / 20

The individual probabilities of occurrence of two events A and B are known, the probability of occurrence of both the events together will be:

7 / 20

Extreme values have no effect on:

8 / 20

A random sample of 17 items from a heap of machine parts gives a mean of 42 and S.D.= 6.25. The value of statistic t to test the hypothesis that the population mean = 38 is:

9 / 20

Statistical results are:

10 / 20

In case of weighted mean, the accuracy or utility of the mean:

11 / 20

If the estimated value of an item is 50 and its actual value is 60, the relative error is:

12 / 20

The shape of Chi-square distribution curve with 1 or 2 degrees of freedom is:

13 / 20

If all observations in a set of observations are the same, the variance of the set of values is:

14 / 20

The value 43,572.6 approximated to the thousandth place by adding figure is:

15 / 20

If a constant value is subtracted from each observation of a set, the mean of the set is:

16 / 20

The distribution for which the moment generating function does not exist but moments exist is:

17 / 20

For a Bernoulli distribution with probability p of a success and q of a failure, the relation between mean and variance that holds is:

18 / 20

If a discrete random variable takes on four values -1, 0, 3, 4 with probabilities 1/6, k, 1441 and 1 - 6k, where k is a constant, then the value of k is:

19 / 20

In a grouped data, the number of classes preferred are:

20 / 20

If a random variable X has mean 3 and S.D.= 5, then the variance of the variable Y = 2X - 5 is:

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