3.Use the HSB data set to test the HOV for the writing scores (WRTG) for the three

socio-economic groups (SES), using the Bartlett test. Report the value of the test statistic and its corresponding p-value, specify the null and the alternate hypotheses that are being tested, and

clearly state the conclusion of the test in the context of the problem ( you may use ?= .05)

Class Level Information Class Levels Values SES 3 123 Number of Observations Read 600 Number of Observations Used 600 ariable: writing Sum of Source DF Squares Mean Square F Value Pr > F Model 2 3551.53627 1775.76814 19.96 <.0001 error corrected total r-square coeff var root mise wrtg mean source df type i ss square f value pr> F SES 21 3551.536271 1775.768135 19.96 <.0001 source df type iii ss mean square f value pr> F SES 2 3551.536271 1775.768135 19.96 <.0001 bartlett test for homogeneity of wrig variance source df chi-square pr> ChiSa SES 2 3.2185 0.2000 WRIG Level of SES N Mean Std Dev 139 48.7028777 9.74330645 299 52.3585284 9.70142274 162 55.5925926 8.62199668