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bachelor in business administration
Polytechnic State University Sanluis
Jan-2006 - Nov-2010
CPA
Polytechnic State University
Jan-2012 - Nov-2016
Professor
Harvard Square Academy (HS2)
Mar-2012 - Present
A chi-square goodness-of-fit test has the following expected frequencies: 12, 4, and 8. Should a chi-square goodness-of-fit test be used to analyze these data? Explain.
2. Students are asked to rate their preference for one of four video games. The following table lists the observed preferences in a sample of 120 students. State whether to reject or retain the null hypothesis for a chi-square goodness-of-fit test given the following expected frequencies.

(a) Expected frequencies: 25%, 25%, 25%, 25%, respectively
(b) Expected frequencies: 70%, 10%, 10%, 10%, respectively
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