Statistics · Mathematics · AP EAPCET
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AP EAPCET 2022 - 5th July Morning Shift
If the mean deviation of the data $$1,1+d 1+2 d, \ldots, 1+100 d,(d>0)$$ from their mean is 255, then '$$d$$' is equal to
AP EAPCET 2022 - 4th July Evening Shift
If the mean of the data $$p, 6,6,7,8,11,15,16$$, is 3 times $$p$$, then the mean deviation of the data from its mean is
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?