SSC CGL Tier 2 28th January 2022 Statistics

Instructions

For the following questions answer them individually

SSC CGL Tier 2 28th January 2022 Statistics - Question 51


A number is selected randomly from each of the given two sets.
Set 1: 1 , 2, 3, 4, 5, 7, 8
Set 2: 2, 3, 4, 5, 6, 7, 8, 9
The probability that the sum of the numbers is equal to 9 is:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 52


Let there be no overlap between the box and whisker plots for three drug treatments where each drug was administered to 35 individuals. The box plots for this data:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 53


The secular trend is depicted by the method of semi-averages when:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 54


The mean absolute deviation for 11, 16, 16, 18, 19, 22, is:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 55


Which distribution has the same mean, median and mode?

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SSC CGL Tier 2 28th January 2022 Statistics - Question 56


In a library, there are 40% mathematics books and the remaining 60% are science books. It is known that 2% of the mathematics books are in Hindi, and 1% of the science books are in Hindi. If one book is taken out at random and is found to be in Hindi, the probability that it is a science book is:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 57


If $$A_{1}, A_{2}, A_{3}$$ are three mutually exclusive events, the probability of their union is equal to:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 58


Which of the following options is correct?

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SSC CGL Tier 2 28th January 2022 Statistics - Question 59


Suppose that the CDF of X is given by $$f\left(x\right) = \begin{cases}0;x < 0 &\\\frac{1}{5};0\leq x <2 & \\\frac{2}{5};2\leq x <4 \\ 1; x \geq4 \end{cases}$$
The value of P(X = 4) is:

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SSC CGL Tier 2 28th January 2022 Statistics - Question 60


If Laspeyre's index is 128 and Paasche's index is 32, then Fisher's ideal index is approximately equal to

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