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Computer Data Exercise in Statistics on Baseball 2000 Data

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70. Refer to the Baseball 2000 data (Appendix K), which reports information for the 30 Major League Baseball teams for the 2000 season.
a. Determine the mean and the median team salary. Does one measure of central tendency seem better, or more representative, than the other?
b. Determine the mean and the median attendance per team. Does one measure of central tendency seem better, or more representative, than the other?
c. Determine the mean and the median number of home runs per team. Does one measure of central tendency seem better, or more representative, than the other?
d. Determine the rate of increase in players' salaries from 1989 to 2000. As a basis of comparison,in 1988 the Consumer Price Index was 118.3, in 2000 it was 166.9. Compute the rate of inflation in the Consumer Price Index and compare it to the rate of increase in baseball players' salaries.

71. Refer to the OECD data (Appendix L), which reports information on census, economic, and business data for 29 selected countries.
a. Compute the mean, median, and mode for the variable employment. Which measure of central tendency seems to be most representative of the data?
b. Compute the mean, median, and mode of the percentage of the population over the age of 65. Which measure of central tendency is most representative of the data?

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Solution Summary

Solution is in an excel file answering questions about mean, median, standard deviations. Problems are related to the OECD data (Appendix L), which reports information on census, economic, and business data for 29 selected countries.

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Two statistics questions on Hypergeometric Distribution and Confidence intervals

71. Refer to the Baseball 2000 data (Appendix K), which contains information on the 2000 Major League Baseball season. There are 30 teams in the major leagues, and 7 of them have home fields with artificial playing surfaces. As part of the negotiations with the players' union, a study regarding injuries on grass versus artificial surfaces will be conducted. Five teams will be selected to participate in the study, and the teams will be selected at random. What is the likelihood that two of the five teams selected for study play their home games on artificial surfaces?

242. Refer to the OECD data (Appendix L), which reports information on census, economic, and business data for 29 countries.
a. Develop a 90 percent confidence interval for the mean percent of the population over 65 years.
b. Develop a 90 percent confidence interval for the mean energy use.

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