Is the Number of Games Won by a Major League $$\sum y = 1,134 , \sum { x } = 3.642 , \sum y ^ { 2 } = 93,110 , \sum x^ { 2 } = .948622 , \text { and } \sum { x y } = 295.54$$

question 80

Essay

Is the number of games won by a major league baseball team in a season related to the team's batting average? Data from 14 teams were collected and the summary statistics yield: $$\sum y = 1,134 , \sum { x } = 3.642 , \sum y ^ { 2 } = 93,110 , \sum x^ { 2 } = .948622 , \text { and } \sum { x y } = 295.54$$
Assume $\hat { \beta } 1 = 455.27$ . Estimate and interpret the estimate of $\sigma$ .

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Definitions:

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An inflammation of the conjunctiva, the mucous membrane covering the white part of the eyes and the inner side of the eyelids.

Snellen Chart

A visual tool used to measure visual acuity, consisting of letters of varying sizes arranged in rows.

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A disorder in vision development where one eye does not reach normal levels of sharpness and is commonly known as "lazy eye."

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