# Statistics · Mathematics · AP EAPCET

Start Practice## MCQ (Single Correct Answer)

AP EAPCET 2022 - 4th July Morning Shift

The mean deviation about the mean for the following data.
$$5,6,7,8,6,9,13,12,15 \text { is }$$

AP EAPCET 2021 - 20th August Morning Shift

The mean deviation from the mean of the set
of observation $$-1,0,4$$ is

AP EAPCET 2021 - 20th August Morning Shift

Let an angle of a triangle is 60$$^\circ$$. If the variance of the angles of the triangle is 1014$$^\circ$$, then the other two angles are

AP EAPCET 2021 - 20th August Morning Shift

For the random variable X with probability distribution is given by the table
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AP EAPCET 2021 - 19th August Evening Shift

The mean and variance of $$n$$ observations $$x_1, x_2, x_3, \ldots . . x_n$$ are 5 and 0 respectively. If $$\sum_{i=1}^n x_i^2=400$$, then the value ...

AP EAPCET 2021 - 19th August Morning Shift

The variance of the variates 112, 116, 120, 125 and 132 about their AM is

AP EAPCET 2021 - 19th August Morning Shift

Which of the following set of data has least standard deviation?