5. In the HSB data set, compare the means for private and public school students on the self-concept measure, i.e., test the null hypothesis that the mean of the population of selfconcept scores for private school students is the same as the mean for the public school students (use 0: = .01). Report the values of E and 172, the standard errors of these two means, 3171 and 8372, the sample sizes 711 and mg, the value of the test statistic, t, and the pwvalue associated with this value of 15. Clearly state your decision regarding the null hypothesis and your conclusion in the context of the