Use summaries obtained from the study described in the previous problem.

Conduct a goodness-of-fit test and provide detailed explanations for your decision in each case

1. At the significance level = 0.05, do you have evidence that the true distribution would deviate from the hypothetical one?

Show the critical value

Formulate the rejection rule

State your decision

2. Repeat this procedure at the significance level = 0.10

Show the critical value

Formulate the rejection rule

State your decision

SUMMARIES FROM PREVIOUS PROBLEM

Age Group	Under 20	20,30	30,40	40,50	50,65	65 and above	Total
Frequency	132	148	224	62	188	46	800
Proportions	.15	.20	.25	.10	.26	.05	1.0
EXPECTED	120	160	200	80	200	40	800