Users of StatCrunch were polled and asked to indicate their level of happiness from 1 to 100 (most happy). The output shows the results of a t-test. There were 297 females and 380 males polled. Assume the sample is random.
a. Which had a higher sample mean, and how do you know?
b. Test the hypothesis that the reported levels of happiness are not equal for men and women assuming that alpha is 0.05.

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Options Hypothesis test results: : Mean of Happy where Gender-Male μ2 : Mean of Happy where Gender-Female μι-in : Difference between two means (without pooled variances) Difference Sample Diff. Std. Err.DF -StatP-value 1-2-4.0718324 2.033609 651.88988-2.002269 0.0457