homework2group5wanholam

homework2group5wanholam - Statistics 101A Homework 2 Winter...

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Homework 2 Winter 2011 Due Date: Wednesday February 22 nd  2011 Do this as a group and turn in a single answer Question one:  At a major psychiatric hospital, they want to examine the effect of  two classes of medication ( TCA  or tricyclic and SSRI, Selective Serotonin  Reuptake Inhibitor) on the treatment of depression among elderly (patients over  the age of 60) and younger adults (patients between the age of 20 and 30).  There are 15 TCA type and 15 SSRI type of pills for the treatment of depression.  They randomly choose three TCA and three SSRI pills from the list of 15. 180  sixty year old patients and120 twenty to thirty year old patients volunteered to  participate in the study. They plan to use the Beck Depression scale for  measuring the level of depression among the patients. Suppose that you were the statistician working for this hospital. Given the above  information, answer the following questions: a) How would you go about assigning the subjects to the different pills? b) Look up the Beck Depression Scale on the Internet and write a line or two  about it addressing what attributes it measures. Does it yield qualitative or  quantitative data? c) What data should they collect on the patients? d) What is the outcome variable and how should it be computed? e) What is the design that you propose? (Example: One-way ANOVA fixed  effect or CR-P) Two-way ANOVA with mixed effect (pills are random effect and age is fixed  effect) f) Write the relevant null and alternative hypotheses in words and symbols. Ho: All ai=0 
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This note was uploaded on 05/02/2011 for the course STAT 101A taught by Professor Mahtashesfandiari during the Winter '11 term at UCLA.

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homework2group5wanholam - Statistics 101A Homework 2 Winter...

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