What is the correct H0?
A researcher wants to see if the distribution of people by political party in California has changed since the year 2000. Let’s say that, in the year 2000, a census found that Californians identified with each political party in the following proportions: 42% Democrat, 38% Republican, 17% Independent, 2% Libertarian, and 1% Green Party. The researcher surveys n=200 California voters and gets the following observed frequencies and expected frequencies.
FREQUENCY |
Democrat |
Republican |
Independent |
Libertarian |
Green |
TOTAL |
fo |
67 |
68 |
35 |
16 |
14 |
200 |
fe |
(.42)(200) = 84 |
(.38)(200) = 76 |
(.17)(200) = 34 |
(.02)(200) = 4 |
(.01)(200) = 2 |
200 |
What is the correct H0?
H0:
Democrat |
Republican |
Independent |
Libertarian |
Green |
42% |
38% |
17% |
2% |
1% |
H0:
Democrat |
Republican |
Independent |
Libertarian |
Green |
67 |
68 |
35 |
16 |
14 |
H0:
Democrat |
Republican |
Independent |
Libertarian |
Green |
84 |
76 |
34 |
4 |
2 |
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