Essay Paper Assignment Help-Statistics

Your APA write-up of the regression analysis must include the following information to receive full credit.

 

Exercise 10: Unbalanced factorial design

Use the data below and conduct a 2-B factorial ANOVA, complete with an interaction analysis if necessary.  The data describe performance on statistics project in a sample of 28 graduate students.   A complete write-up is required, supplement with tables and figures as necessary.  Subjects were classified as master or doctoral and students either self-selected a self-study curriculum, a laboratory curriculum or a traditional lecture curriculum.

SAS input

data Ex9;

input id

group

study

score @@;

datalines;

01 1 1 34 02 1 1 33 03 1 1 28 04 1 1 29 05 1 1 33

06 1 2 34 07 1 2 31 08 1 2 28 09 1 2 31 10 1 2  .

11 1 3 45 12 1 3 29 13 1 3 38 14 1 3 34 15 1 3 33

16 2 1 30 17 2 1 31 18 2 1 39 19 2 1 30 20 2 1 34

21 2 2 35 22 2 2 36 23 2 2 37 24 2 2 41 25 2 2 39

26 2 3  . 27 2 3 28 28 2 3 41 29 2 3 47 30 2 3 45

;

run;

proc format;

valuegfmt 1=’Master’

              2=’Doctoral’;

valuesfmt 1=’SelfStudy’

              2=’LAB’

              3=’Lecture’;

run;

SPSS input

data list list

/id group study score.

begin data.

01 1 1 34

02 1 1 33

03 1 1 28

04 1 1 29

05 1 1 33

06 1 2 34

07 1 2 31

08 1 2 28

09 1 2 31

10 1 2  .

11 1 3 45

12 1 3 29

13 1 3 38

14 1 3 34

15 1 3 33

16 2 1 30

17 2 1 31

18 2 1 39

19 2 1 30

20 2 1 34

21 2 2 35

22 2 2 36

23 2 2 37

24 2 2 41

25 2 2 39

26 2 3  .

27 2 3 28

28 2 3 41

29 2 3 47

30 2 3 45

end data.

val lab group 1 “Master” 2 ‘”Doctoral’.

val lab study 1 “SelfStudy” 2 “LAB” 3 “Lecture”.

Less than Full Rank Design Extra Credit (1 pt)

The EC is due with Exercise 9; please use a separate attachment for it in the eLearing drop box.

Write a paragraph to a page review (APA format with a complete APA citation) of a primary source of an unbalanced study.  Be sure to answer the following questions in your summary: (a) What is the general problem under study, (b) specifically what research question/hypothesis are the researchers testing within the specified analysis (i.e., what groups are being compared), (c) what was the statistical approach taken to accommodate the nonorthogonality, (d) what is the outcome variable, (e) did the authors present a test of any of the linear model assumptions, (f) is the analysis related to the general problem the researchers are investigating and (g) what were the findings of the specific analysis?

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