The SF-12 mental component is a reliable and valid tool used to measure depressive disorders in the general population.

1 The SF-12 mental component is a reliable and valid tool used to measure depressive disorders in the general population. Calculate the mean, standard deviation, minimum, maximum, and standard error for this variable. This is done in Descriptive Statistics Descriptives Descriptive Statistics Range Minimum Maximum Mean Std. Deviation|Varlance Std Statistic Statistic statistic Statistic Statistic Error Statistic Statistic SF12: Mental Health Component 893 59.418 9.001 68.419 46.82843 .361625 10.806477 116.780 Score, standardized Valld N (listwise) 893 Answer the following questions. a) What is the mean SF-12 score in the sample of low-income women? b) What score would fall 2SDS above the mean? c) How is the range calculated? d) What is the formula for variance? e) Calculate the degrees of freedom? f) Using the SEM and the t distribution in Table, compute the value of the 95% CI around the mean. .SEM =0.362. t tabled 1.96: 95%CI=(M+(1.96*SEM))= g) Plot your SF-12 scores on the normal distribution curve: 39 20 10 4 10 29 34 3SD= -2SD- 1SD- M- 1SD= 2SD= 3SD=