Please specifically do the d,e,f,g part THX!
(a) null hypothesis H0: observed frequency=expected frequency( follow poission distribution with 0.362)
altenate hypothesis H1: observed frequencyexpected frequency
( does not follow poission distribution with 0.362)
(b)P(X=0)=0.6963 ( using ms-excel =poisson(0,0.362,0)
total frequency=N=82+25+6=113
E(X=0)=P(X=0)*N=0.6963*113=78.7
and similarly for others
P(X>=2)=1-P(X=0)-P(X=1)=1-0.6963-0.2501=0.0516
x | P(X=x) | Expected |
0 | 0.6963 | 78.7 |
1 | 0.2521 | 28.5 |
2.00 | 0.05166 | 5.8 |
(c) chi-square=sum((O-E)2/E) =0.6 with k-1=3-1=2 df
x | P(X=x) | Expected(E) | Observed(O) | (O-E) | (O-E)2/E |
0 | 0.696282368 | 78.7 | 82 | 3.3 | 0.1401 |
1 | 0.252054217 | 28.5 | 25 | -3.5 | 0.4257 |
2 or more | 0.051663415 | 5.8 | 6 | 0.2 | 0.0045 |
sum= | 113.0 | 113.0 | 0.0 | 0.6 |
(d) your text book problem
(e) p-value=0.7519
(g) since p-value is more than typical value=0.05 of level of sginificnace(alpha), so we fail to reject null hypothesis H0 and conclude that data follow poission distribution with 0.362
Please specifically do the d,e,f,g part THX! 1. A flashback to a problem from HW5 The...
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