19. If mean of the given frequency distribution is 25, then find out unknown frequencies, when sum of all frequencies (Ef) is 160. यदि दिये गये आवृत्ति वितरण का माध्य 25 है तो अज्ञात आवृत्तियाँ ज्ञात कीजिये जबकि सभी आवृत्तियों का योग 160 है। Class | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 (वर्ग अन्तराल) f (आवृत्ति) Gestion (T )

Solution

Share

294

2.0 (1 ratings)

Download App for Answer

Jate - ( A 180, quad 68+2+F_{2}=160 ) ef Given [ A+F_{2}=92-0 ] ( bar{x}=frac{1740+15 t_{1}+35 t_{2}}{68 x+71+frac{1}{2}} ) [ begin{array}{l} 700+257+252=1740+157+3572 10+1+101=90 Rightarrow 1+1=9-2 end{array} ] ( 0+2 ) ( 2 f_{1}=96 ) ( quad quad quad 1=48 quad ) And ( quad f=f_{1}-9 ) ( =48-9 ) ( =44 )

294

2.0 (1 ratings)

Rate Solution

Share