Name:_________________________

Chi-Square Goodness of Fit Test

Scenario 1:Most strains of the flu affect older people more seriously than younger people.An exception was the "swine flu," which was a pandemic in 2009.The data for ages (by category) of all 619 reported swine flu victims in the United States between May 1, 2009, and June 11, 2009, are given below. Test whether the observed distribution fits the distribution of ages in the United States as shown by census ata = 0.05.

Age Group

Under 5

5 - 14

15 - 29

30 - 44

45 - 59

60 and over

Observed Counts

51

204

250

68

36

10

Expected Frequency based on Census

49.52

68.09

132.47

146.08

121.32

101.52

Answer the following questions:

A. Hypothesis:H₀: ______________________H_a: _______________________

B. Conditions:

C.Test Statistic value:= _______ d.f. = ____P-value (Sig.) = _______

D. Decision:Fail-to-Reject H₀ or Reject H₀(circle/highlight one)