Does a major league baseball team's record during spring training indicate how the team will play during the regular season? Over a six-year period, the correlation coefficient between a team's winning percentage in spring training and its winning percentage in the regular season is 0.18. Shown are the winning percentages for the 14 American League teams during a previous season. Team Spring Training Regular Season Baltimore Orioles 0.407 0.422 Boston Red Sox 0.429 0.586 Chicago White Sox 0.417 0.546 Cleveland Indians 0.569 0.500 Detroit Tigers 0.569 0.457 Kansas City Royals 0.533 0.463 Los Angeles Angels 0.724 0.617 Team Spring Training Regular Season Minnesota Twins 0.500 0.540 New York Yankees 0.577 0.549 Oakland A's 0.692 0.466 Seattle Mariners 0.500 0.377 Tampa Bay Rays 0.731 0.599 Texas Rangers 0.643 0.488 Toronto Blue Jays 0.448 0.531 (a) What is the correlation coefficient between the spring training and the regular season winning percentages? (Round your answer to three decimal places.) (b) What is your conclusion about a team's record during spring training indicating how the team will play during the regular season? There is ---Select--- a weak negative a strong negative no a weak positive a strong positive correlation between a major league baseball team's winning percentage during spring training and its winning percentage during the regular season. Therefore the spring training record should ---Select--- not be be expected to be a good indicator of how a team will play during the regular season. What are some of the reasons why this occurs? Discuss.

MATLAB: An Introduction with Applications

6th Edition

ISBN:9781119256830

Author:Amos Gilat

Publisher:Amos Gilat

Chapter1: Starting With Matlab

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Does a major league baseball team's record during spring training indicate how the team will play during the regular season? Over a six-year period, the correlation coefficient between a team's winning percentage in spring training and its winning percentage in the regular season is 0.18. Shown are the winning percentages for the 14 American League teams during a previous season.

Team	Spring Training	Regular Season
Baltimore Orioles	0.407	0.422
Boston Red Sox	0.429	0.586
Chicago White Sox	0.417	0.546
Cleveland Indians	0.569	0.500
Detroit Tigers	0.569	0.457
Kansas City Royals	0.533	0.463
Los Angeles Angels	0.724	0.617

Team	Spring Training	Regular Season
Minnesota Twins	0.500	0.540
New York Yankees	0.577	0.549
Oakland A's	0.692	0.466
Seattle Mariners	0.500	0.377
Tampa Bay Rays	0.731	0.599
Texas Rangers	0.643	0.488
Toronto Blue Jays	0.448	0.531

(a)

What is the correlation coefficient between the spring training and the regular season winning percentages? (Round your answer to three decimal places.)

(b)

What is your conclusion about a team's record during spring training indicating how the team will play during the regular season?

There is ---Select--- a weak negative a strong negative no a weak positive a strong positive correlation between a major league baseball team's winning percentage during spring training and its winning percentage during the regular season. Therefore the spring training record should ---Select--- not be be expected to be a good indicator of how a team will play during the regular season.

What are some of the reasons why this occurs? Discuss.

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