question, explain and make sure its 100% correct, thank you POISSON NULL MODEL problem The parasitic nematode Camallanus oxycephalus infects many freshwater fish, including shad. The following table gives the number of nematodes per fish (Shaw et al., 1998)

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POISSON NULL MODEL problem

The parasitic nematode Camallanus oxycephalus infects many freshwater fish, including shad. The following table gives the number of nematodes per fish (Shaw et al., 1998)

 

Q: Do nematodes infect fish at random?

 

Degrees of
Freedom
1
2
3
4
5
6789
0.99
0.000
0.020
0.115
0.297
0.554
0.872
1.239
1.647
2.089
0.95
0.004
0.103
0.352
0.711
1.145
1.635
2.167
2.733
2.225
0.90
0.016
0.211
0.584
1.064
1.610
2.204
2.833
3.490
4.168
2
Probability of a larger value of x²
0.75
0.102
0.575
1.212
1.923
2.675
3.455
4.255
5.071
5.900
0.50
0.455
1.386
2.366
3.357
4.351
5.348
6.346
7.344
9.243
0.25
1.32
2.77
4.11
5.39
6.63
7.84
9.04
10.22
11 20
0.10
2.71
4.61
6.25
7.78
9.24
10.64
12.02
13.36
14.68
0.05
3.84
5.99
7.81
9.49
11.07
12.59
14.07
15.51
16.02
0.01
6.63
9.21
11.34
13.28
15.09
16.81
18.48
20.09
21.67
Transcribed Image Text:Degrees of Freedom 1 2 3 4 5 6789 0.99 0.000 0.020 0.115 0.297 0.554 0.872 1.239 1.647 2.089 0.95 0.004 0.103 0.352 0.711 1.145 1.635 2.167 2.733 2.225 0.90 0.016 0.211 0.584 1.064 1.610 2.204 2.833 3.490 4.168 2 Probability of a larger value of x² 0.75 0.102 0.575 1.212 1.923 2.675 3.455 4.255 5.071 5.900 0.50 0.455 1.386 2.366 3.357 4.351 5.348 6.346 7.344 9.243 0.25 1.32 2.77 4.11 5.39 6.63 7.84 9.04 10.22 11 20 0.10 2.71 4.61 6.25 7.78 9.24 10.64 12.02 13.36 14.68 0.05 3.84 5.99 7.81 9.49 11.07 12.59 14.07 15.51 16.02 0.01 6.63 9.21 11.34 13.28 15.09 16.81 18.48 20.09 21.67
The parasitic nematode Camallanus oxycephalus infects many
freshwater fish, including shad. The following table gives the
number of nematodes per fish (Shaw et al., 1998)
Number of nematodes
0
1
2
3
4
5
6
Do nematodes infect fish at random?
Degrees of
Freedom
1
2
3
4
5
6
7
8
Number of fish
103
72
44
14
3
1
1
O
0.99
0.000
0.020
0.115
0.297
0.554
0.872
1.239
1.647
2.088
0.95
0.004
0.103
0.352
0.711
1.145
1.635
2.167
2.733
0.90
0.016
0.211
0.584
1.064
1.610
2.204
2.833
3.490
A 169
Pr[X]
Probability of a larger value of x
0.75
0.102
0.575
1.212
1.923
2.675
3.455
4.255
5.071
5800
0.50
0.455
1.386
2.366
3.357
4.351
5.348
6.346
7.344
8 242
0.25
1.32
2.77
4.11
5.39
6.63
7.84
9.04
10.22
11.20
0.10
2.71
4.61
6.25
7.78
9.24
10.64
12.02
13.36
e¯μμX
X!
0.05
3.84
5.99
7.81
9.49
11.07
12.59
14.07
15.51
16.02
0.01
6.63
9.21
11.34
13.28
15.09
16.81
18.48
20.09
21.67
Transcribed Image Text:The parasitic nematode Camallanus oxycephalus infects many freshwater fish, including shad. The following table gives the number of nematodes per fish (Shaw et al., 1998) Number of nematodes 0 1 2 3 4 5 6 Do nematodes infect fish at random? Degrees of Freedom 1 2 3 4 5 6 7 8 Number of fish 103 72 44 14 3 1 1 O 0.99 0.000 0.020 0.115 0.297 0.554 0.872 1.239 1.647 2.088 0.95 0.004 0.103 0.352 0.711 1.145 1.635 2.167 2.733 0.90 0.016 0.211 0.584 1.064 1.610 2.204 2.833 3.490 A 169 Pr[X] Probability of a larger value of x 0.75 0.102 0.575 1.212 1.923 2.675 3.455 4.255 5.071 5800 0.50 0.455 1.386 2.366 3.357 4.351 5.348 6.346 7.344 8 242 0.25 1.32 2.77 4.11 5.39 6.63 7.84 9.04 10.22 11.20 0.10 2.71 4.61 6.25 7.78 9.24 10.64 12.02 13.36 e¯μμX X! 0.05 3.84 5.99 7.81 9.49 11.07 12.59 14.07 15.51 16.02 0.01 6.63 9.21 11.34 13.28 15.09 16.81 18.48 20.09 21.67
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