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A cognitive psychologists

Assignment Help Applied Statistics
Reference no: EM131105229

Homework 3:

1. A cognitive psychologists knows that concrete words, which easily evoke images (.e.g. "sunset", "truck") are easier to remember than abstract words, but she would like to know if those who frequently use visual imagery differ from those with little visual imagery when trying to memorize these two types of words.  She conducts a 2X2 experiment with give subjects in each cell and measures the number of words each subject recalls.  The data appear in the following table: 

 

visualizers

Nonvisualizers

Concrete words

17

20

18

21

20

T=96

18

19

17

17

20

T=91

Abstract words

14

15

15

17

16

T=77

18

18

17

17

19

T=89

G=353, ΣX2=6295

 

 

a. State all the appropriate null and alternative hypotheses
b. Carry out the appropriate test and summarize all the information in an ANOVA summary table
c. State your conclusions
d. Create a plot for the data
2. SOLVE THE FOLLOWING PROBLEM IN SPSS. ATTACH ALL OUTPUT. A college is conducting a study of its students' expectations of employment upon graduation. Students are sampled by class and major area of study and are given a score of 0 to 35 according to their responses to a questionnaire concerning their job preparedness, goal orientation, etc. the data appear in the following table:

 

humanities

sciences

business

freshmen

2

4

3

7

5

6

9

10

7

8

7

12

sophomores

3

4

6

5

10

12

16

14

20

13

16

15

Juniors

7

8

7

7

14

15

13

12

20

25

22

21

Seniors

10

12

9

13

16

18

16

19

30

33

34

29

Reference no: EM131105229

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