Alpine Research has conducted a survey of online shoppers.Simple random samples of 200 shoppers aged 18-to-25, 100 shoppers aged 26-to-40, and 100 shoppers aged 41-to-65 were selected for the survey.Shoppers in each of the three samples were asked whether they were concerned about online security when shopping. You use the survey results to conduct a chi-square test of the null hypothesis that the proportion of shoppers who are concerned about online security is the same in all three populations represented.The significance level for the test is 5%.Suppose the p-value for the sample result turns out to be .1072.What should you conclude?
Expected Frequencies
A) Don't reject the hypothesis that the proportion of concerned shoppers is the same in all three age categories.
B) Reject the hypothesis that the proportion of concerned shoppers is the same in all three age categories.
C) The test provides strong evidence that the proportion of concerned shoppers is not the same in all three age categories.
D) The test provides strong evidence that the proportion of concerned shoppers is the same in all three age categories.
Correct Answer:
Verified
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