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Question Three: a. The following are the survey of customers on the category of goods purchased and the online shopping malls they are brought from of 500 customers at a service station produced the following results. Required: i. State the null and alternative hypothesis. ii. Test the hypothesis at 1% and 5% level of significance. iii. Comment on the result. b. With the aid of practical application, demonstrate how a theoretical framework is used in a research. Question Three: a. The following are the survey of customers on the category of goods purchased and the online shopping malls they are brought from of 500 customers at a service station produced the following results. Required: i. State the null and alternative hypothesis. ii. Test the hypothesis at 1% and 5% level of significance. iii. Comment on the result. b. With the aid of practical application, demonstrate how a theoretical framework is used in a research