Statistics PYQs - Last 5 Years

Consider a data consisting of 10 observations $x_1, x_2, \ldots, x_{10}$, whose mean is 5 and variance is 7 . If the mean and the variance of the first 8 observations $x_1, x_2, \ldots, x_8$ are 4 and 3.5 , respectively, and $x_9 < x_{10}$,...

Consider the following frequency distribution:table {width: 100%;border-collapse: collapse;margin: 20px 0;} th {background-color: blue;color: white;border: 1px solid lightgrey;padding: 10px;} td {border: 1px solid lightgrey;padding: 10px;te...

Consider the given data with frequency distribution
$$ \begin{array}{ccccccc} x_i & 3 & 8 & 11 & 10 & 5 & 4 \\ f_i & 5 & 2 & 3 & 2 & 4 & 4 \end{array} $$
Match each entry in List-I to the correct entries in List-II.

.tg {border-collapse:c...