Mathematics, 25.01.2020 00:31 pippalotta

Aresearcher wants to determine whether the number of minutes adults spend online per day is related to gender. a random sample of 315 adults was selected and the results are shown below. calculate the chi-square test statistic x2 to determine if there is enough evidence to conclude that the number of minutes spent online per day is related to gender. minutes spent online per day gender 0-30 30-60 60-90 90+male 75 45 25 35 female 30 45 45 15 a) 19.874 b) 18.146 c) 20.912 d) 21.231

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Aresearcher wants to determine whether the number of minutes adults spend online per day is related...