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Only for (a) please!
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14 votes
Only for (a) please!

Only for (a) please!-example-1
User Lollerskates
by
5.6k points

1 Answer

6 votes

Answer:

Efx=2300 may be it would help : )

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

User Cowboybkit
by
4.2k points
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