Consumer Awareness of Bank Services OfferedConsumer91781023456Before ad campaign82816866777589748077After ad campaign87848476788381817981Using Wilcoxon matched-pairs test, test the hypothesis that there is no difference in consumerawareness of bank services offered after the advertising campaign. Example 19.5 The management of the Punjab National Bank wants to test the effectiveness of an ad-vertising company that is intending to enhance the awareness of the bank's service features. It admin-istered a questionnaire before the advertising campaign, designed to measure the awareness of servicesoffered. After the advertising campaign, the bank administered the same questionnaire to the samegroup of people. Both the before and after advertising campaign scores are given in the followingtable.

Answered: Image /qna-images/answer/2674e887-588b-46ea-996a-6d5a8336bfd5.jpg

Consumer Awareness of Bank Services Offered Consumer 1 4 2 5 8 3 6 9 7 10 Before ad campaign 82 81 74 89 68 80 77 77 66 75 After ad campaign 87 84 84 76 78 81 79 81 81 83 Using Wilcoxon matched-pairs test, test the hypothesis that there is no difference in consumer awareness of bank services offered after the advertising campaign.