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Question

A researcher believes that a variable is Poisson distributed across six categories. To test this, the following random sample of observations is collected:
Category 0 1 2 3 4 >5
Observed 7 18 25 17 12 5

Using a= 0.10, the value of the observed chi-square for the data is _______.
a) 19.37
b) 2.29
c) 1.74
d) 3.28
e) 4.48

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