what is the rejection region for . A random sample of 214 teenagers between the
ID: 3397302 • Letter: W
Question
what is the rejection region for
. A random sample of 214 teenagers between the ages of 15 and 19 were questioned regarding their use of alcohol and their family status. A summary of the responses is shown below.
None
Occasional
Frequent
Upper class
9
16
10
Upper middle class
15
40
24
Lower middle class
12
47
9
Lower class
8
17
7
Do the data provide sufficient evidence to indicate a relationship between family status and the use of alcohol in the population? Test using a=.05.
None
Occasional
Frequent
Upper class
9
16
10
Upper middle class
15
40
24
Lower middle class
12
47
9
Lower class
8
17
7
Explanation / Answer
for alpha = 0.05
and df = 214 - 12 - 1 = 201
critical value will be 124.342
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