How to find the missing frequencies using contingency table?
Question:
Find the missing frequencies using contingency table?
Given:
(ABC) = 210
(αBC) = 280
(ABγ) = 180
(αBγ) = 240
(AβC) = 250
(αβC) = 160
(Aβγ) = 360
(αβγ) = 32
Solution:
| | C | γ | Total |
A | B | (ABC) = 210 | (ABγ) = 180 | (AB) = 390 |
A | β | (AβC) = 250 | (Aβγ) = 360 | (Aβ) = 610 |
A | Total | (AC) = 460 | (Aγ) = 540 | (A) = 1000 |
α | B | (αBC) = 280 | (αBγ) = 240 | (αB) = 520 |
α | β | (αβC) = 160 | (αβγ) = 32 | (αβ) = 192 |
α | Total | (αC) = 440 | (αγ) = 272 | (α) = 712 |
Total | B | (BC) = 490 | (Bγ) = 420 | (B) = 910 |
Total | β | (βC) = 410 | (βγ) = 392 | (β) = 802 |
| Total | (C) = 900 | (γ) = 812 | N = 1712 |
Video Solution:
