Mathematics, 17.02.2020 23:16 lekab0001

In order to investigate whether women are more likely than men to prefer Democratic candidates, a political scientist selects a large sample of registered voters, both men and women. She asks every voter whether they voted for the Republican or the Democratic candidate in the last election. This is

a).observational study
b)a random experiment.
c)A block design experiment.
d)None of the above.

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In order to investigate whether women are more likely than men to prefer Democratic candidates, a po...