Nielsen ratings

According to the A.C. Nielsen Co., here are the top 10 shows for the week ending Oct. 1, their networks and ratings. (Each rating point equals 959,000 homes.)

1. Er - NBC, 23.4

2. Seinfeld - NBC, 22.7

3. 20/20 - ABC, 19.6

4. Friends - NBC, 19.3

tie. Home Improvement - ABC, 19.3

6. Monday Night Football - ABC, 19.1 7. Caroline in the City - NBC, 18.4

8. Coach - ABC, 17.7

9. The Single Guy - NBC, 17.5

10. Grace Under Fire - ABC, 15.6