21.Which of the following is a technique that is used to picture the relative position of products on two or more product dimensions important to consumer purchase decisions? Use the following information for questions 22 through 24. A subscription service stated that preferences for different national magazines were independent of geographical location. A survey was taken in which 300 respondents randomly chosen from three areas were given a choice among three different magazines. Each person expressed his or her favorite. The following results were obtained: Region Magazine X Magazine Y Magazine Z Total New England 75 50 175 300 Northeastern 120 85 95 300 Southern 105 110 85 300 Total 300 245 355 900
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