Notice that the expected frequencies are missing. What are the correct expected frequencies?
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: 35% Democrat, 32% Republican, 27% Independent, 4% Libertarian, and 2% Green Party. The researcher surveys n=150 California voters and gets the following observed frequencies and expected frequencies.
FREQUENCY |
Democrat |
Republican |
Independent |
Libertarian |
Green |
TOTAL |
fo |
50 |
50 |
42 |
4 |
4 |
150 |
fe |
? |
? |
? |
? |
? |
150 |
Notice that the expected frequencies are missing. What are the correct expected frequencies?
Expected frequencies:
Democrat |
Republican |
Independent |
Libertarian |
Green |
52.5 |
48 |
40.5 |
6 |
3 |
Expected frequencies:
Democrat |
Republican |
Independent |
Libertarian |
Green |
50 |
50 |
42 |
4 |
4 |
Expected frequencies:
Democrat |
Republican |
Independent |
Libertarian |
Green |
35% |
32% |
27% |
4% |
2% |
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