A large manufacturing company produces computer printers that are distributed
A large manufacturing company produces computer printers that are distributed and sold all over the United States. Due to lack of industry information, the company has a difficult time ascertaining its market share in different parts of the country. They hire a market research firm to estimate their market share in a northern city and a southern city. They would also like to know whether there is a difference in their market shares in these two cities; if so; they want to estimate how much. The market research firm randomly selects printer customers from different locales across both cities and determines what brand of computer printer they purchased. The following Minitab output shows the results from this study.
Discuss the results including sample sizes, estimation of the difference in proportions, and any significant differences determined. What were the hypothesestested?
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