A Researcher Believes That a Variable Is Poisson Distributed Across $\alpha$

Multiple Choice

A researcher believes that a variable is Poisson distributed across six categories.To test this,the following random sample of observations is collected:
Using $\alpha$ = 0.10,the critical value of chi-square for the data is _______.

A) 9.236
B) 7.779
C) 13.277
D) 12.89
E) 1.064