It is proposed to fit the Poisson distribution to the following data
|
x
|
0
|
1
|
2
|
3
|
3x
|
|
Frequency
|
20
|
40
|
16
|
18
|
6
|
(a) Compute the orresponding chi-square goodnessf-fit statistic. Hint: In computing the mean, treat 3 x as x = 4.
(b) How many degrees of freedom are associated with this chi-square?
(c) Do these data result in the rejection of the Poisson model at the ex = 0.05 significance level?