pax720 pax720
  • 07-02-2021
  • Mathematics
contestada

Only for (a) please!

Only for a please class=

Respuesta :

dilkumaripoudel267
dilkumaripoudel267 dilkumaripoudel267
  • 07-02-2021

Answer:

Efx=2300 may be it would help : )

Step-by-step explanation:

To find that u have to :

mass mid value(x) Number..(f) fx

10-29 19 32 608

30-39 9 38 342

40-49 9 64 576

50-59 9 35 315

60-69 9 22 198

70-99 29 9 . 261

Efx=2300

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