Question

2.   An experimenter planned a study in which a crucial step was offering participants a food reward. Previous research noted that generally, 10% of people prefer cupcakes, 70% prefer candy bars, and 20% prefer dried fruit. Participants in a pilot study were asked which of three rewards they preferred. Of the 60 participants, 16 preferred cupcakes, 26 preferred candy bars, and 18 favored dried apricots.
a.   Using the .05 significance level, do the results suggest that people prefer different food rewards in general?

Answer 1

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a.

The contingency table below provides the following information: the observed cell totals, (the expected cell totals) and [the chi-square statistic for each cell].

The chi-square statistic is 9.5102.

The p-value is .008608.

The result is significant at p < .05.

So, do the results suggest that people prefer different food rewards in general