Fill in the table  2. State the null and alternative hypothesis (symbols, not words). 3.calculate the standard error 4. What are the degrees of freedom for this test? a) 10 b) 20 c)18 d)9

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1. Fill in the table 

2. State the null and alternative hypothesis (symbols, not words).

3.calculate the standard error

4. What are the degrees of freedom for this test?

a) 10 b) 20 c)18 d)9

1. A researcher was interested in the effectiveness of cognitive behavioral
therapy in reducing social anxiety in a group of clients who were diagnosed
with mild social phobia. The researcher tested social anxiety in her clients
both before and after the cognitive behavioral therapy treatment. The
research question was whether there was a difference in the severity of
social anxiety before and after the treatment with cognitive behavioral
therapy.
Pnum
1
2
3
4
5
6
7
8
9
10
Pre-
treatment
17
14
17
13
19
17
13
14
11
15
Mpre=
Post-
treatment
15
15
12
7
11
15
11
13
9
12
Mpost=
Difference
M diff=
Diff; -
Mdiff
(Diff; -
Mdiff)²
SS=
s² =
S =
Transcribed Image Text:1. A researcher was interested in the effectiveness of cognitive behavioral therapy in reducing social anxiety in a group of clients who were diagnosed with mild social phobia. The researcher tested social anxiety in her clients both before and after the cognitive behavioral therapy treatment. The research question was whether there was a difference in the severity of social anxiety before and after the treatment with cognitive behavioral therapy. Pnum 1 2 3 4 5 6 7 8 9 10 Pre- treatment 17 14 17 13 19 17 13 14 11 15 Mpre= Post- treatment 15 15 12 7 11 15 11 13 9 12 Mpost= Difference M diff= Diff; - Mdiff (Diff; - Mdiff)² SS= s² = S =
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