EBook Problems Contingency Fit

EBook Problems Set - Multinomial Experiments: Goodness-of-Fit Problems

Problem 1

Here is a frequency table of observations on the random variable X:

Values	0	1	2	3	4
Observed Frequency	24	30	31	11	4

Is the Poisson distribution with a mean of 1.2 an appropriate model?! Perform a goodness-of-fit procedure with alpha = 0.05

• Choose one answer.

(a) We do not reject H0

(b) We reject H0

Answer

 (a)

Problem 2

Here is another frequency table of observations on the random variable X:

Values	0	1	2	3
Frequency	39	23	12	1

Is a binomial distribution an appropriate model?! Perform a goodness-of-fit procedure with alpha = 0.05

• Choose one answer.

(a) We do not reject H0

(b) We reject H0

Answer

 (a)

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