what is the rejection region for A random sample of 214 tee
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 | 
Solution
for alpha = 0.05
and df = 214 - 12 - 1 = 201
critical value will be 124.342

