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Which of these studies might be analyzed with a correlation?

a. The which group has a higher reading comprehension level-dyslexic children versus ADHD (attention deficit hyperactivity disorder) children

b.  The amount of religious commitment and frequency of attendance at religious services

c.  The number of doctor visits and income level

d.  The soft drink preferences of college students

Jun 19th, 2015

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the amount of religious comments and frequency of attendance at religious services......best me please?

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Jun 19th, 2015

Here are hypothetical data for a study of the relationship between intelligence and prejudice in adults. For both variables, higher scores indicate more of the measured trait:

Participants      Intelligence                      Prejudice

A                         102                                  22

B                       128                                     18

C                       117                                    26

D                      126                                  20

E                      92                                   30

F                      121                               19

G                    96                                       26

H                  104                                  23

I                  112                                        22

J                 92                                          28

K               101                                          25

L             108                                             25

c.  State the null hypothesis.

d.  Calculate Pearson r.

e.  Interpret the correlation coefficient for a two-tailed test: Can you reject the null hypothesis? If so, with what confidence?

f.  Write the result in APA journal format.

Jun 19th, 2015

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Jun 19th, 2015

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