In a study of jury behavior, two samples of participants were provided details about a trial in which the defendant was obviously guilty. Although group 2 received the same details as group 1, the second group was also told that some evidence had been withheld from the jury by the judge. Later, the participants were asked to recommend a jail sentence. The length of term suggested by each participant is presented here. Is there a significant difference between the two groups in their responses? For Group 1: M = 3, SS = 16, n = 8 For Group 2: M = 6, SS = 24, n = 10

Algebra & Trigonometry with Analytic Geometry
13th Edition
ISBN:9781133382119
Author:Swokowski
Publisher:Swokowski
Chapter10: Sequences, Series, And Probability
Section10.8: Probability
Problem 32E
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Calculate and evaluate Cohen’s d  and r2.

 

What decision can you make and what does it indicate?

 

What type of error could you be making and what would that mean?

In a study of jury behavior, two samples of participants were provided details about a
trial in which the defendant was obviously guilty. Although group 2 received the same
details as group 1, the second group was also told that some evidence had been
withheld from the jury by the judge. Later, the participants were asked to recommend
a jail sentence. The length of term suggested by each participant is presented here. Is
there a significant difference between the two groups in their responses?
For Group 1: M = 3, SS = 16, n = 8
For Group 2: M= 6, SS = 24, n =10
Transcribed Image Text:In a study of jury behavior, two samples of participants were provided details about a trial in which the defendant was obviously guilty. Although group 2 received the same details as group 1, the second group was also told that some evidence had been withheld from the jury by the judge. Later, the participants were asked to recommend a jail sentence. The length of term suggested by each participant is presented here. Is there a significant difference between the two groups in their responses? For Group 1: M = 3, SS = 16, n = 8 For Group 2: M= 6, SS = 24, n =10
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