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Save Check My Work o The National Football League (NFL) polls faris to develop a rating for each footbail game. Each game is rated on a scale from o (torgettable) to 100 (memorable). The fon ratings for a random sample of 12 games follow. 86 81 60 56 73 84 72 75 75 0 19 78 o 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). Check My Work Icon Ke 9
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✔ Recommended Answer
Answer #1

Following table shows the calculations:

1449561 2624210 90698 60541 41112 2 3 70 568777 65329618 456 587871-

Sample size: n=12

(a)

Mean:

816 8.00 2 7n
(b)

Standard deviation:

12 1

2 0
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