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The owner of Big Fish supermarket was reviewing some data from a research report on the type of advertisements in the local paper that are most effective. Three types of ads (big headline, straight forward and bold print) were randomly alternated over a period of weeks and the number of shoppers that reported that they read the ad was tallied. Do the data below support the hypothesis that there is no difference in the effectiveness of the ads, as measured by the mean number of shoppers who reported reading the ad? Use an alpha of .05.
Type of AdvertisementBig Headline Straight Forward Bold Print23 19 2842 31 3336 18 4648 24 2933 26 3426 25 34
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