Question
The National Football League (NFL) polls fans to develop a rating for each football game. Each...
The National Football League (NFL) polls fans to develop a rating for each football game. Each game is rated on a scale from 0 (forgettable) to 100 (memorable). The fan ratings for a random sample of 12 games follow.
| 58 | 62 | 86 | 73 | 73 | 74 |
| 21 | 56 | 79 | 78 | 84 | 74 |
a. Develop a point estimate of mean fan rating for the population of NFL games (to 2 decimals).
b. Develop a point estimate of the standard deviation for the population of NFL games (to 4 decimals).
Homework Answers
Answer #1
| x |
 |
| 58 | 103.4289 |
| 62 | 38.0689 |
| 86 | 317.9089 |
| 73 | 23.3289 |
| 73 | 23.3289 |
| 74 | 33.9889 |
| 21 | 2225.009 |
| 56 | 148.1089 |
| 79 | 117.2889 |
| 78 | 96.6289 |
| 84 | 250.5889 |
| 74 | 33.9889 |
 |
 |
a. a point estimate of mean fan rating for the population of NFL games
Sample mean 
b. a point estimate of the standard deviation for the population of NFL games
Sample standard deviation
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