In the HSB data set test the null hypothesis that the mean of the population of self- concept score is zero at = 0.05. Report the sample mean, X, the standard error of the mean, the sample size, n, the value of test statistic, t, and the pvalue. State your decision regarding the null hypothesis and the conclusion about the value of that result from this decision. What is the 95% confidence interval for the mean .

Analysis Variable : CONCPT
Mean	Std Dev	Std Error	N	tValue	Pr>|t|	Lower 95% CL for Mean	Upper 95% CL for Mean
0.0049167	0.7055125	0.0288024	600	0.17	0.8645	-0.0516494	0.0614827