Question: U S market share for smartphones with larger screens is increasing
U.S. market share for smartphones with larger screens is increasing. As of the first quarter of 2011, smartphones with screens 4 inches or larger had captured 24 percent of the smartphone market. The market for smartphones with screens between 3.5 and 3.9 inches has stayed fairly steady at 40 percent, while that for smartphones with screens less than 3.5 inches has declined to 36 percent. Does smartphone ownership by college students follow this national pattern? A sample of 148 student smartphone users showed that 30 owned a smartphone with a large screen (4 inches or greater), 75 owned a smartphone with a medium- sized screen (between 3.5 and 3.9 inches), and 43 owned a smartphone with a small screen (less than 3.5 inches). Conduct a chi-square GOF test to answer this research question.
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