The following table shows the audience shares of the three major network evening news broadcasts infour major cities as reported by Arbitron. Test at the rt = 0.10 Level of significance the null hypothesis th.at viewing levels for news are the same for ABC, CBS, tmd NBC
|
ABC
|
CBS
|
NBC
|
A
|
19.7
|
16.1
|
18.2
|
B
|
Ui.6
|
15.R
|
17.9
|
C
|
19.1
|
14.6
|
15.3
|
D
|
17.9
|
17.1
|
18.0
|