Question: Consider the following sign data, produced from a matched-pairs sample of ordinal data. + + + - + + - + + + + -

Consider the following sign data, produced from a matched-pairs sample of ordinal data.

+ + + - + + - + + + + - + + - - + + + +

a. Specify the competing hypotheses to determine whether the proportion of negative signs differs from the proportion of positive signs.

b. Calculate the value of the test statistic.

c. Calculate the p-value.

d. At the 5% significance level, what is the conclusion? Explain

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