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MANOVA Homework - Applied Multivariate Methods | STAT 579, Assignments of Descriptive statistics

The University of Tennessee (UT)Descriptive statistics

Material Type: Assignment; Class: Applied Multivariate Methods; Subject: Statistics; University: University of Tennessee - Knoxville; Term: Unknown 1989;

Typology: Assignments

Pre 2010

Uploaded on 09/17/2009

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MANOVA๎˜ƒHomework๎˜ƒ
Consider๎˜ƒthe๎˜ƒfemales๎˜ƒin๎˜ƒthe๎˜ƒFamily๎˜ƒControl๎˜ƒStudy๎˜ƒof๎˜ƒAppendix๎˜ƒC,๎˜ƒand๎˜ƒpartition๎˜ƒthese๎˜ƒfemales๎˜ƒin๎˜ƒ
groups๎˜ƒaccording๎˜ƒto๎˜ƒeducation๎˜ƒlevel๎˜ƒ(EDU).๎˜ƒ๎˜ƒUse๎˜ƒonly๎˜ƒtheir๎˜ƒresponses๎˜ƒto๎˜ƒthe๎˜ƒFACES๎˜ƒ
questionnaire.๎˜ƒ๎˜ƒUse๎˜ƒฮฑ=.05๎˜ƒthroughout.๎˜ƒ
a. Perform๎˜ƒa๎˜ƒMANOVA๎˜ƒto๎˜ƒdetermine๎˜ƒif๎˜ƒthere๎˜ƒare๎˜ƒdifferences๎˜ƒin๎˜ƒthe๎˜ƒmean๎˜ƒvectors๎˜ƒfor๎˜ƒthe๎˜ƒ
different๎˜ƒeducational๎˜ƒlevels.๎˜ƒ
b. Perform๎˜ƒunivariate๎˜ƒANOVAโ€™s๎˜ƒfor๎˜ƒeach๎˜ƒof๎˜ƒthe๎˜ƒFACES๎˜ƒvariables,๎˜ƒand๎˜ƒdetermine๎˜ƒwhich๎˜ƒ
variables๎˜ƒshow๎˜ƒsignificant๎˜ƒdifferences๎˜ƒamong๎˜ƒgroups.๎˜ƒ
c. For๎˜ƒthose๎˜ƒvariables๎˜ƒthat๎˜ƒshow๎˜ƒsignificant๎˜ƒdifferences๎˜ƒamong๎˜ƒgroups,๎˜ƒuse๎˜ƒthe๎˜ƒTukey๎˜ƒpost๎˜ƒ
hoc๎˜ƒprocedure๎˜ƒto๎˜ƒdetermine๎˜ƒwhich๎˜ƒgroups๎˜ƒare๎˜ƒdifferent๎˜ƒfrom๎˜ƒone๎˜ƒanother.๎˜ƒ
๎˜ƒ

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MANOVA Homework

Consider the females in the Family Control Study of Appendix C, and partition these females in groups according to education level (EDU). Use only their responses to the FACES questionnaire. Use ฮฑ=.05 throughout. a. Perform a MANOVA to determine if there are differences in the mean vectors for the different educational levels. b. Perform univariate ANOVAโ€™s for each of the FACES variables, and determine which variables show significant differences among groups. c. For those variables that show significant differences among groups, use the Tukey post hoc procedure to determine which groups are different from one another.