A market research study was conducted to compare three diffe
A market research study was conducted to compare three different brands of antiperspirant. The results of the study are summarized below. Use a 5% level of significant to test the claim that opinion is independent of brand.
a) What is the null and alternate hypotheses?
b) What is the value of the sample test statistic?
c) What is the P value of the sample test statistic?
d) What is your conclusion? (reject or no?)
Solution
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