Question

Online Now reports that 30% of online customers who fail to complete an online purchase fail because they are concerned about the security of their purchase information; 20% fail because they are confused by the purchase instructions; 35% fail because they change their mind about the purchase and 15% fail for “other reasons.” WebMarketing.com has just completed a study of 500 randomly selected online customers who started but failed to complete an online purchase. In the sample, 136 customers said they failed because they were concerned about the security of their purchase information; 114 said they failed because they were confused by the purchase instructions; 165 said they failed because they changed their mind about the purchase; and 85 said they failed for “other reasons.” Conduct an appropriate chi square goodness of fit test to test the null hypothesis that the proportions reported by Online Now are correct. Use a significance level of 5%.


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  • CreatedJuly 16, 2015
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