Males and females were compared for the mean number of smiles during a five-minute inter-view. The 30 males' mean was 3.62 and the 24 females' mean was 5.04. An $\alpha$ level of .05 was adopted and an F = 4.02 was obtained. What conclusion is appropriate?
A) The null hypothesis should be retained.
B) Females smile more than males.
C) Males smile more than females.

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The Answer of Males and females were compared for the mean number of smiles during a five-minute inter-view. The 30 males' mean was 3.62 and the 24 females' mean was 5.04. An $\alpha$ level of .05 was adopted and an F = 4.02 was obtained. What conclusion is appropriate?
A) The null hypothesis should be retained.
B) Females smile more than males.
C) Males smile more than females.

Males and Females Were Compared for the Mean Number of Smiles