Mathematics, 07.04.2020 23:51 shatoriahubbard3255
A data analyst wants to set up a hypothesis test to determine if the mean number of courses taken in a college semester is different for freshmen, versus sophomores, versus juniors, versus seniors. Label these four groups of students as years 1, 2, 3, and 4. What would be the correct setup for the null and alternative hypotheses for this test? Select the correct answer below: H0:μ1=μ2=μ3 Ha: at least one of the means is different H0:μ1=μ2=μ3=μ4 Ha: at least one of the means is different H0: at least one of the means is different Ha:μ1=μ2=μ3=μ4
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