Answer:1
This is given that all the category having equal probability since be take 0.20 for each . and apply the test.
The following table is obtained:
Categories | Observed | Expected | (fo-fe)2/fe |
A | 21 | 69*0.20=13.8 | (21-13.8)2/13.8 = 3.757 |
B | 15 | 69*0.20=13.8 | (15-13.8)2/13.8 = 0.104 |
C | 20 | 69*0.20=13.8 | (20-13.8)2/13.8 = 2.786 |
D | 7 | 69*0.20=13.8 | (7-13.8)2/13.8 = 3.351 |
E | 6 | 69*0.20=13.8 | (6-13.8)2/13.8 = 4.409 |
Sum = | 69 | 69 | 14.406 |
therefore results are
Chi square value = 14.406
d.f = 4
p value = 0.0061
Answer:2 a)
Categories | Observed | Expected | (fo-fe)2/fe |
Category 1 | 19 | 146*0.13=18.98 | (19-18.98)2/18.98 = 0 |
Category 2 | 33 | 146*0.14=20.44 | (33-20.44)2/20.44 = 7.718 |
Category 3 | 27 | 146*0.13=18.98 | (27-18.98)2/18.98 = 3.389 |
Category 4 | 21 | 146*0.24=35.04 | (21-35.04)2/35.04 = 5.626 |
Category 5 | 15 | 146*0.20=29.2 | (15-29.2)2/29.2 = 6.905 |
Category 6 | 31 | 146*0.16=23.36 | (31-23.36)2/23.36 = 2.499 |
Sum = | 146 | 146 | 26.137 |
b)
c) Final answer:
Chi square value = 26.137
p value = 0.0001
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