Find the mean of the following frequency distribution using stepdeviation method: \begin{tabular...

Channel:
Subscribers:
445,000
Published on ● Video Link: https://www.youtube.com/watch?v=eC7xyk-8cOs



Duration: 5:30
3 views
0


Find the mean of the following frequency distribution using stepdeviation method:
\begin{tabular}{|c|c|c|c|c|c|c|}
\hline Class & \( 84-90 \) & \( 90-96 \) & \( 96-102 \) & \( 102-108 \) & \( 108-114 \) & \( 114-120 \) \\
\hline Frequency & 15 & 22 & 20 & 18 & 20 & 25 \\
\hline
\end{tabular}
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live




Other Videos By PW Solutions


2022-11-16Study the following cross and showing self pollination in \( F_{1} \), fill in the blank and ans...
2022-11-16рдХрд┐рд╕реА рдЕрднрд┐рдХреНрд░рд┐рдпрдХ рдХреЗ рд▓рд┐рдП рдПрдХ рдЕрднрд┐рдХреНрд░рд┐рдпрд╛ рджреНрд╡рд┐рддреАрдп рдХреЛрдЯрд┐ рдХреА рд╣реИред рдЕрднрд┐рдХреНрд░рд┐рдпрд╛ рдХрд╛ рд╡реЗрдЧ рдХреИрд╕реЗ рдкреНрд░рднрд╛рд╡рд┐рдд рд╣реЛрдЧрд╛; рдпрджрд┐ ...
2022-11-16Show that the four point \( (0,-1,-1),(4,5,1),(3,9,4) \) and \( (-4,4,4) \) are coplanar and fin...
2022-11-1690 рдЧреНрд░рд╛рдо рдЬрд▓ рдореЗрдВ 4 рдЧреНрд░рд╛рдо рдХреЙрд╕реНрдЯрд┐рдХ рд╕реЛрдбрд╛ рд╡рд┐рд▓реЗрдп рд╣реИред рдХреЙрд╕реНрдЯрд┐рдХ рд╕реЛрдбрд╛ рдХреЗ рдореЛрд▓ рдкреНрд░рднрд╛рдЬ рдХреА рдЧрдгрдирд╛ рдХреАрдЬрд┐рдПред
2022-11-16The two waves represented by \( y_{1}=a \sin (\omega t) \) and \( y_{2}=b \cos (\omega t) \) hav...
2022-11-16How are molluses important to mankind
2022-11-16Assertion (A): Competitive inhibitor is also called substrate analogue. Reason (R): (A) It resem...
2022-11-16Explain the importance of power factor.
2022-11-16Assertion (A): If the temperature of a semiconductor is increased then it's resistance decreases...
2022-11-16The \( 20^{\text {th }} \) term of the series \( 2 \frac{1}{2}+1 \frac{7}{13}+1 \frac{1}{9}+\fra...
2022-11-16Find the mean of the following frequency distribution using stepdeviation method: \begin{tabular...
2022-11-16\( n \)-рдкреНрд░рдХрд╛рд░ рддрдерд╛ \( p \)-рдкреНрд░рдХрд╛рд░ рдХреЗ рдЕрд░реНрджреНрдзрдЪрд╛рд▓рдХ рдХреНрдпрд╛ рд╣реИрдВ? \( p-n-p \) рдЯреНрд░рд╛рдВрдЬрд┐рд╕реНрдЯрд░ рдХреА рд░рдЪрдирд╛ рддрдерд╛ рдкрд░...
2022-11-16рд╕рд┐рджреНрдз рдХреАрдЬрд┐рдП рдХрд┐\( \tan 36^{\circ}+\tan 9^{\circ}+\tan 36^{\circ} \tan 9^{\circ}=1 \)
2022-11-16рд╡рд┐рд╕реНрддреГрдд рдЙрддреНрддрд░реАрдп рдкреНрд░рдХрд╛рд░ рдХреЗ рдкреНрд░рд╢реНрди Long Answer Type Questions рдЕрд░реНрджреНрдзрдЪрд╛рд▓рдХ рдХреНрдпрд╛ рд╣реЛрддреЗ рд╣реИ? рджреЛ рдореБрдЦреНрдп рдкреН...
2022-11-16What are the oxidation number of the underlined elements in each of the following and how do you...
2022-11-16At an election there are five candidates and three members to be elected, and an elector may vot...
2022-11-16If \( { }^{k+5} P_{k+1}=\frac{11(k-1)}{2} \cdot{ }^{k+3} P_{k} \), then the values of \( k \) ar...
2022-11-16Fovea is (A) Fibrous coat of eye ball (B) Vascular coat of eye ball (C) Photo sensitive coat of ...
2022-11-16рдХреИрд╕реЗ рдмрдирд╛рдпрдВрдЧреЗ? рдХреЗрд╡рд▓ рд░рд╛рд╕рд╛рдпрдирд┐рдХ рд╕рдореАрдХрд░рдг рджреАрдЬрд┐рдПрдореЗрдерд┐рд▓ рдЖрдпреЛрдбрд╛рдЗрдб рд╕реЗ рдореЗрдерд┐рд▓ рдПрдерд┐рд▓ рдИрдерд░
2022-11-16Assertion (A): All the \( \mathrm{Al}-\mathrm{Cl} \) bonds in \( \mathrm{Al}_{2} \mathrm{Cl}_{6}...
2022-11-16The proximal end of Hydra has no adhesive disc, which secretes a sticky substance for (A) protec...