MCQ
If $\text{A}=\sin2\text{x}+\cos4\text{x},$ then for all real $x:$
- A$\frac{13}{16}\leq\text{A}\leq1$
- B$1\leq\text{A}\leq2$
- C$\frac{3}{4}\leq\text{A}\leq\frac{13}{16}$
- ✓$\frac{3}{4}\leq\text{A}\leq1$
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$\mathrm{x}_{\mathrm{i}}$ $\ \ 3\ \ 8\ \ 11\ \ 10\ \ 5\ \ 4$
$\mathrm{f}_{\mathrm{i}}$ $\ \ 5 \ \ 2 \ \ 3 \ \ 2 \ \ 4 \ \ 4$
Match each entry in List-$I$ to the correct entries in List-$II$.
| List-$I$ | List-$II$ |
| ($P$) The mean of the above data is | $(1) 2.5$ |
| ($Q$) The median of the above data is | $(2) 5$ |
| ($R$) The mean deviation about the mean of the above data is | $(3) 6$ |
| ($S$) The mean deviation about the median of the above data is | $(4) 2.7$ |
| $(5) 2.4$ |
The correct option is :