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ls smoking pot associated with trouble learning math? Researchers at the University of Iowa College of Medicine reported that students who smoked 2 or more

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ls smoking pot associated with trouble learning math? Researchers at the University of Iowa College of Medicine reported that students who smoked 2 or more marijuana cigarettes per week had lower math scores than nonmarijuana users. The mean math score for those who did not smoke marijuana was 74% (n=42, s=12) and the mean math score for those who smoked 2 or more marijuana cigarettes a week was 69% (n=24, s=10). The null hypothesis was HPOT MNOPOT = 0- Choose the correct alternative hypothesis. 0 Those who smoke 2 or more marijuana cigarettes per week do not have lower average math scores than those who do not smoke marijuana O The average math scores of the two groups (those who smoke 2 or more marijuana cigarettes per week and those who do not) do not differ by more than 5%. The average math scores of the two groups (those who smoke 2 or more marijuana cigarettes per week and those who do not) do not differ. 0 Those who smoke 2 or more marijuana cigarettes per week have lower average math scores than those who do not smoke marijuana

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