The number of telephone calls received at an exchange per interval for 250 successive one-minute...

Channel:
PW Solutions
Subscribers:
449,000
Published on ● Video Link: https://www.youtube.com/watch?v=QQwK5UVaOfU


Duration: 3:24
423 views
0

The number of telephone calls received at an exchange per interval for 250 successive one-minute intervals are given in the following frequency table:
No. of intervals \( (f): \begin{array}{lllllll}15 & 24 & 29 & 46 & 54 & 43 & 39\end{array} \)
Compute the mean number of calls per interval.
ЁЯУ▓PW App Link - https://bit.ly/YTAI_PWAP
ЁЯМРPW Website - https://www.pw.live



Other Videos By PW Solutions


2023-02-20рд╕реНрддрдирд┐рдпреЛрдВ рдореЗрдВ рдЕрдгреНрдбреЗ рдорд╛рдЗрдХреНрд░реЛрд▓реЗрд╕реАрдерд▓ рддрдерд╛ рдЖрдЗрд╕реЛрд▓реЗрд╕реАрдерд▓ рд╣реЛрддреЗ рд╣реИрдВ рдХреНрдпреЛрдВрдХрд┐ рдпреЗ (A) рдУрд╡реАрдкреЗрд░рд╕ рд╣реЛрддреЗ рд╣реИрдВ (B) рд╡рд┐рд╡...
2023-02-20рдПрдХ nonlinear рд╕реНрдкреНрд░рд┐рдВрдЧ рджреНрд╡рд╛рд░рд╛ рд▓рдЧрд╛рдпрд╛ рдЧрдпрд╛ рдмрд▓ \( F \) рдЗрд╕рдХреА рд▓рдВрдмрд╛рдИ рдореЗрдВ рд╡реГрджреНрдзрд┐ \( x \) рдХреЗ рд╕рд╛рде рд╕рдореАрдХрд░рдг \(...
2023-02-20The marks obtained out of 50 , by 102 students in a Physics test are given in the frequency tabl...
2023-02-20The following table gives the number of children of 150 families in a village \( \begin{array}{l...
2023-02-20A reservoir in the form of the frustum of a right circular cone contains \( 44 \times 10^{7} \) ...
2023-02-20The following table gives the number of branches and number of plants in the garden of a school....
2023-02-20Candidates of four schools appear in a mathematics test. The data were as follows: W \begin{tabu...
2023-02-20Five coins were simultaneously tossed 1000 times, and at each toss the number of heads was obser...
2023-02-20A milk container is made of metal sheet in the shape of frustum of a cone whose volume is \( 104...
2023-02-20\( P Q \) is a post of given height \( a \), and \( A B \) is a tower at some distance. If \( \a...
2023-02-20The number of telephone calls received at an exchange per interval for 250 successive one-minute...
2023-02-20рддреНрд░рд┐рднреБрдЬ \( A B C \sim \triangle D E F \) рдЗрд╕ рдкреНрд░рдХрд╛рд░ рд╣реИ рдХрд┐ \( A B=9.1 \) рд╕реЗрдореА. рддрдерд╛ \( D E=6.5 \) рд╕...
2023-02-20from the top of a solid cone of height \( 12 \mathrm{~cm} \) and base radius \( 6 \mathrm{~cm} \...
2023-02-20A solid cone of base radius \( 10 \mathrm{~cm} \) is cut into two parts through the mid-point of...
2023-02-20рд╕рдВрд▓рдЧреНрди рдЪрд┐рддреНрд░ рдореЗрдВ рдкреНрд░рджрд░реНрд╢рд┐рдд рдкрд░рд┐рдкрде рдХреЗ рд▓рд┐рдпреЗ, рдЬреНрдЮрд╛рдд рдХреАрдЬрд┐рдП : рдзрд╛рд░рд╛рдУрдВ \( i_{1} \) рд╡ \( i_{2} \) рдХреЗ рдорд╛рдиред
2023-02-20рд╡реЗ рдкреНрд░рд╛рдгреА, рдЬрд┐рдирдореЗрдВ рднреНрд░реВрдг рдХрд╛ рдкреВрд░реНрдг рдкрд░рд┐рд╡рд░реНрдзрди рдорд╛рддрд╛ рдХреЗ рд╢рд░реАрд░ рдХреЗ рднреАрддрд░ рдкреНрд▓реЗрд╕реЗрдгреНрдЯрд╛ рджреНрд╡рд╛рд░рд╛ рд╣реЛрддрд╛ рд╣реИ, рдХрд╣рд▓рд╛рддреЗ...
2023-02-20A bucket made up of a metal sheet is in the form of a frustum of a cone of height \( 16 \mathrm{...
2023-02-20рддреГрддреАрдпрдХ рдЕрдгреНрдб рдЭрд┐рд▓реНрд▓реА рд╣реИ (A) рд╡рд┐рдЯреЗрд▓рд╛рдЗрди рдЭрд┐рд▓реНрд▓реА (B) рдЬреЛрдирд╛ рд░реЗрдбрд┐рдпреЗрдЯрд╛ (C) рдПрд▓реНрдмреНрдпреВрдорд┐рди (D) рдХреЛрд░реЛрдирд╛ рд░реЗрдбрд┐рдпреЗрдЯрд╛
2023-02-20The height of a cone is \( 20 \mathrm{~cm} \). A small cone is cut off from the top by a plane p...
2023-02-20The perimeters of the ends of a frustum of a right circular cone are \( 44 \mathrm{~cm} \) and \...
2023-02-20A bucket has top and bottom diameters of \( 40 \mathrm{~cm} \) and \( 20 \mathrm{~cm} \) respect...