F(n₁, n₂), n₂ > 3 എന്ന വിതരണത്തിന്റെ മാധ്യം ?
An₂/n₁-2
Bn₂/n₁-1
Cn₂/n₂-2
Dn₁/n₂-2
An₂/n₁-2
Bn₂/n₁-1
Cn₂/n₂-2
Dn₁/n₂-2
Related Questions:
The table classifies 40 persons who took a test according to the marks they scored: Calculate the mean marks scored.
Marks | Persons |
0 - 10 | 4 |
10 - 20 | 6 |
20 - 30 | 16 |
30 - 40 | 8 |
40 - 50 | 6 |