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U.S. market share for smartphones with larger screens is increasing. The national proportions for ownership by screen size are shown in the table below. Does
U.S. market share for smartphones with larger screens is increasing. The national proportions for ownership by screen size are shown in the table below. Does smartphone ownership by college students follow the national trend? A chi-square goodness of fit test was performed. Observed Frequency (n = 148 college Smartphone Screen Size National Proportions students) 4 inches or more 0. 24 30 3.5 to 3.9 inches 0.4 75 less than 3.5 inches 0. 36 43 State the null and alternative hypotheses for this goodness-of-fit test. Multiple Choice O He: Smartphone ownership by age follows the national proportions. H1: Smartphone ownership by age does not follow the national proportions. O He: Smartphone ownership by age does not follow the national proportions. H1: Smartphone ownership by age follows the national proportions. O He: Smartphone ownership by age is uniformly distributed. H1: Smartphone ownership by age is not uniformly distributed. O He: Smartphone ownership by age is not uniformly distributed. H1: Smartphone ownership by age is uniformly distributed
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