TS EAMCET · Maths · Statistics
The variance of the following frequency distribution is

- A \(\frac{295}{16}\)
- B \(\frac{304}{16}\)
- C \(\frac{37}{4}\)
- D \(\frac{97}{4}\)
Answer & Solution
Correct Answer
(A) \(\frac{295}{16}\)
Step-by-step Solution
Detailed explanation
Given data, Here, \(\quad A=10, h=4\)…
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Maths
- Let \(\alpha \neq 1\) be a real root of the equation \(x^3-a x^2+a x-1=0\), where \(a \neq-1\) is a rea number. Then, a root of this equation, among the following, isTS EAMCET 2010 Medium
- The set of all real values of \(x\) satisfying the inequalíties \(x^2-4 x+3>0\) and \(x^2-2 x-8 \leq 0\), isTS EAMCET 2019 Easy
- If the points of intersection of the parabolas \(y^2=5 x\) and \(x^2=5 y\) lie on the line L, then the area of the triangle formed by the directrix of one parabola, latus rectum of another parabola and the line \(\mathrm{L}\) isTS EAMCET 2023 Medium
- If \(z=\frac{-1-i \sqrt{3}}{2}\), then \(\sum_{k=1}^{2022}\left(z^k+\frac{1}{z^k}\right)^2=\)TS EAMCET 2022 Medium
- An ellipse \(\frac{x^2}{a^2}+\frac{y^2}{b^2}=1\) with eccentricity \(\frac{2 \sqrt{2}}{3}\) is inscribed in a circle \(x^2+y^2=18\) such that the length of its major axis is equal to the diameter of this circle. The locus of the poles of all the tangents of the circle with respect to the ellipse isTS EAMCET 2020 Hard
- The image of the point \((3,8)\) in the line \(x+3 y=7\) isTS EAMCET 2011 Medium
More PYQs from TS EAMCET
- The number of solutions of \(\cos 2 \theta=\sin \theta\) in \((0,2 \pi)\) isTS EAMCET 2017 Medium
- If \(\alpha\) is a root of the equation \(25 \cos ^2 \theta+5 \cos \theta-12=0\), for \(\frac{\pi}{2} < \alpha < \pi\), then \(\sin 2 \alpha=\)TS EAMCET 2020 Medium
- If \(0 \leq \mathrm{A}, \mathrm{B} \leq \frac{\pi}{4}\) and \(\cot \mathrm{A}+\cot \mathrm{B}+\tan \mathrm{A}+\tan \mathrm{B}=\cot \mathrm{A} \cot \mathrm{B}-\tan \mathrm{A} \tan \mathrm{B}\) then \(\sin (\mathrm{A}+\mathrm{B})=\)TS EAMCET 2025 Medium
- The conversion of O-acylated phenol in presence of \(\mathrm{AlCl}_3\) to \(\mathrm{C}\)-acylated phenol is an example for this type of organic reactionTS EAMCET 2010 Medium
- Which one of the following equation is correct for the reaction \(\mathrm{N}_2(g) 3 \mathrm{H}_2(g) \longrightarrow 2 \mathrm{NH}_3(g) \text { ? }\)TS EAMCET 2003 Easy
- A molecule \((X)\) has (i) four sigma bonds formed by the overlap of \(s p^2\) and \(s\) orbitals (ii) one sigma bond formed by \(s p^2\) and \(s p^2\) orbitals and (iii) one \(\pi\) bond formed by \(p_x\) and \(p_z\) orbitals. Which of the following is \(X\) ?TS EAMCET 2006 Easy