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• ### The number of regular season wins for four football teams in a given toston are given...

The number of regular season wins for four football teams in a given toston are given below. Determine the variance, and standard deviation of the sample dataset 5,7,9,12 The sample mean is 825 The sample variance is (Simplify your answer. Round to two decimals as needed) The sample standard deviation is (Simplify your answer. Round to two decimals as needed)

• ### 32.4.13 The numbers of regular season wins for 10 football teams in a given season are...

32.4.13 The numbers of regular season wins for 10 football teams in a given season are given below Determine the range, mean population data set. 2, 9, 15, 3, 15, 9.12, 10, 4, 10 The range is 13 (Simplify your answer) The population mean is 8.9 nd Exams (Simplify your answer. Round to the nearest tenth as needed.) The population variance is 19.29 (Simplify your answer. Round to the nearest hundredth as needed.) tents The population standard deviation is (Simplify...

• ### The numbers of regilar seanon wins for 10 football teams in a given season are given...

The numbers of regilar seanon wins for 10 football teams in a given season are given bekow Determne the sange, mean, variance, and standard deviation of the popudlation data set 2,6, 15, 2, 12,6,12,6,2,10 o The range is 13) Simplity your answer ) The population mean is 85 Simplify your answer. Round to the nearest tenth as needed.) The population variance is Simplity your answer Round to the nearest hundredth as needed) The population standard deviation is (Simplily your answer...

• ### 3. In a National Football League (NFL) regular season, each team plays 16 games. Let " wins" be the number of regular season wins by a team in a particular season (taking a tie as half a w...

3. In a National Football League (NFL) regular season, each team plays 16 games. Let " wins" be the number of regular season wins by a team in a particular season (taking a tie as half a win.) Since on average teams win half their games, the distribution of team wins has mean 8. Assume the distribution of team wins stays about the same from year to year. There is a positive correlation between a team's wins one year and...

• ### The following table shows the number of wins eight teams had during a football season. Also...

The following table shows the number of wins eight teams had during a football season. Also shown are the average points each team scored per game during the season. Construct a 90% confidence interval to estimate the average number of wins for teams that scored an average of 22 points a game. Click the icon to view the data table. Determine the upper and lower limits of the confidence interval. UCL = LCL = (Round to three decimal places as...

• ### Exercise 2. NFL teams play 16 games during the regular season. Suppose the standard deviation of...

Exercise 2. NFL teams play 16 games during the regular season. Suppose the standard deviation of the number of games won by all teams is 2, and the correlation between the number of games a team wins in two consecutive seasons is 0.5. If a team goes 12 and 4 during a season, what is your best prediction for how many games they will win next season?

• ### (b) Change 38.5 to 60.5 and find the range of the new data set. 12. In...

(b) Change 38.5 to 60.5 and find the range of the new data set. 12. In Exercise 11, compare your answer to part (a) with your answer to part (b). How do outliers affect the range of a data set? Finding Population Statistics In Exercises 13 and 14, find the range, mean, variance, and standard deviation of the population data set. 13. Football Wins The numbers of regular season wins for each American Football Conference (AFC) team in 2012 (Source:...

• ### Below are the jersey numbers of 11 players randomly selected from a football team. Find the...

Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviation for the given sample data. What do the results tell us? 29, 49, 57, 60, 68, 53, 75, 42, 17, 20, 24 This Question: 1 pt 15 of 25 (12 complete) This Test: 25 pts possit Below are the jersey numbers of 11 players randomly selected from a football team. Find the range, variance, and standard deviation for the...

• ### second bullet point of 11 and 12 mead 13. The number of wins in a season...

second bullet point of 11 and 12 mead 13. The number of wins in a season for 16 randomly selected professional football teams are listed below. (Section 6.2) Note: Use the SPSS below. Number of Wins in a Season for Professional Football Teams 9 9 9 10 9 7 12 9 9 7 10 7 7 stes 1.153.1.100 -0.731 Wins One-Sample Statistics N Mean Std Deviation Std. Error Mean 16 8.38 1.668 Jice 417 8.38 + 0.73= One-Sample Test Test...

• ### The table below shows the number of wins per season for the New England Patriots and...

The table below shows the number of wins per season for the New England Patriots and Detroit Lions NFL teams from 2004 through 2012 Year New England Patriots Detroit Lions 10 12 16 3 7 2004 2005 2006 2007 2008 2009 2010 2011 10 13 2012 32. From the above table and using Xcel spreadsheet, a) Calculate the mean for each of the two teams b) Calculate the variance for each of the two teams c) Calculate the standard deviation...