A Department Store (A), has four competitors: B, C, D and E. Store A hire a consultant to determine if the percentage of shoppers who prefer each of the five stores is the same. A survey of 1100 randomly selected shoppers is conducted, and the results about which one of the stores shoppers prefer are below. Is there enough evidence using a significance level a = 0.05 to conclude that the proportions are really the same? Store No. of Shoppers A 262 B 234 C 204 D 190 E 210 a. Create the Null Hypothesis (Ho) b. Establish the Alternative Hypothesis (Ha) c. Solve for the degree of freedom k - 1
A Department Store (A), has four competitors: B, C, D and E. Store A hire a consultant to determine if the percentage of shoppers who prefer each of the five stores is the same. A survey of 1100 randomly selected shoppers is conducted, and the results about which one of the stores shoppers prefer are below. Is there enough evidence using a significance level a = 0.05 to conclude that the proportions are really the same?
Store No. of Shoppers
A 262
B 234
C 204
D 190
E 210
a. Create the Null Hypothesis (Ho)
b. Establish the Alternative Hypothesis (Ha)
c. Solve for the degree of freedom k - 1
d. Calculate the test statistic
e. Interpret the result. Is there enough evidence to reject Ho?
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