Do freshmen, sophomores, juniors and seniors have the same mean number of hours of homework each...

Do freshmen, sophomores, juniors and seniors have the same mean number of hours of homework each week? Test at the alpha = .05 level with the following random sample.

Freshmen: { 15, 12, 20, 25}

Sophomores: {20, 12, 14, 15}

Juniors: {25, 10, 10, 15}

Seniors: {15, 12, 12, 14, 9}

Using the given alpha and p-value, what is your conclusion in plain English?

a) There is not enough evidence to suggest that the population means are equal.

b) Evidence suggests that the population means are equal.

c) There is not enough evidence to suggest that at least one population mean is different from the others

d) Evidence suggests that at least one population mean is different from the others

Expert Solution

orchestra answered 1 year ago

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