The percentage market penetration of a product in eight regions before and after advertising is tabulated in
Question:
The percentage market penetration of a product in eight regions before and after advertising is tabulated in Table 11.31.
Table 11.31 Market Penetration by Region before and after Advertising Region Advertising 1 2 3 4 5 6 7 8 Before 12 15 10 25 21 44 21 25 After 15 25 8 30 33 49 20 30 Source: Authors’ own.
Use a paired t-test to determine if penetration has improved significantly.
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ISBN: 9788132113669
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