htly different frc population? Use a two-tailed 8, n=100 State the hypothesis and select an alpha level. a=0.05 (given) 2. Locate the critical region: z= M-H 3. Compute the test statistic: OM = ; z= 4. Make a decision about H0, and state the conclusion:

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Childhood participation in sports, cultural groups,
and youth groups appears to be related to improved
self-esteem for adolescents (McGee, Williams,
Howden-Chapman, Martin, & Kawachi, 2006). In a
representative study, a sample of n = 100 adolescents
with a history of group participation is given a stan-
dardized self-esteem questionnaire. For the general
population of adolescents, scores on this questionnaire
form a normal distribution with a mean of p
%3D
50 and
%3D
15. The sample of group-
a standard deviation of o
%3D
participation adolescents had an average of M = 53.8.
Transcribed Image Text:Childhood participation in sports, cultural groups, and youth groups appears to be related to improved self-esteem for adolescents (McGee, Williams, Howden-Chapman, Martin, & Kawachi, 2006). In a representative study, a sample of n = 100 adolescents with a history of group participation is given a stan- dardized self-esteem questionnaire. For the general population of adolescents, scores on this questionnaire form a normal distribution with a mean of p %3D 50 and %3D 15. The sample of group- a standard deviation of o %3D participation adolescents had an average of M = 53.8.
sample provide enough evidence to con-
clude that self-esteem scores for these adolescents
Population u=50, o= 15
Sample →
are significantly different from those of the general
population? Use a two-tailed test with a = .05.
M=53.8, n=100
%3D
1. State the hypothesis and select an alpha level.
• a=0.05 (given)
2. Locate the critical region: z=
M-H
; z=
%3D
3. Compute the test statistic: OM =
4. Make a decision about H0, and state the conclusion:
EUE
Transcribed Image Text:sample provide enough evidence to con- clude that self-esteem scores for these adolescents Population u=50, o= 15 Sample → are significantly different from those of the general population? Use a two-tailed test with a = .05. M=53.8, n=100 %3D 1. State the hypothesis and select an alpha level. • a=0.05 (given) 2. Locate the critical region: z= M-H ; z= %3D 3. Compute the test statistic: OM = 4. Make a decision about H0, and state the conclusion: EUE
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