Number of supporters for candidates

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Reference no: EM132402285

A recent Iowa straw poll for the Democratic Primary found the following number of supporters for these candidates (Observed Frequencies).

Elizabeth Warren Bernie Sanders Joe Biden Pete Buttigieg

20 25 10 25

a) Specify the null and alternative hypotheses for a chi-square Goodness of Fit test of candidate preference.

c) Use the observed and expected frequencies to calculate a chi-square Goodness of Fit test to decide if people in Iowa have a preference for any of the candidates, using alpha = .05. Report the critical value and your decision.

Reference no: EM132402285

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