Home>Mathematics homework help>Statistics homework help Once you start to understand how exciting the world of statistics can be, it is tempting to fall into the trap of chasing statistical significance. That is, you may be tempted always to look for relationships that are statistically significant and believe they are valuable solely because of their significance. […]

  ata Collection Practice A maker of energy drinks is considering abandoning can containers  and going exclusively to bottles because the sales manager believes  customers prefer drinking from bottles. However, the vice president in  charge of marketing is not convinced the sales manager is correct.  Investigate this issue using statistical analysis. Explain which data collection […]

A maker of energy drinks is considering abandoning can containers and going exclusively to bottles because the sales manager believes customers prefer drinking from bottles. However, the vice president in charge of marketing is not convinced the sales manager is correct. Investigate this issue using statistical analysis. Explain which data collection method you would use […]

  Using the McGraw-Hill Dataset in the Excel file, located here, complete the following tasks: Task#1: 1) At the .10 significance level, is there a difference in the variation in team salary among the American and National League teams? 2) Create a variable that classifies a team's total attendance into three groups: less than 2.0 […]

  Using the McGraw-Hill Dataset in the Excel file, located here, complete the following tasks: Task#1: 1) At the .10 significance level, is there a difference in the variation in team salary among the American and National League teams? 2) Create a variable that classifies a team's total attendance into three groups: less than 2.0 […]

The daily return of a stock (0700.HK) is assumed to follow normal distribution with parameters with ???? and ????2.To estimate the unknown parameters, we examine the historical return of the stock over the past 9 years period (1st Jan, 2011 – 31st Dec, 2019), 2212 sample data in total). It is found that Σ????????=2.881669,Σ????????2=0.849829 The […]

  Review the Learning Resources and the media programs related to correlation and regression. Search for and select a quantitative article specific to your discipline and related to correlation or regression. Help with this task may be found in the Course guide and assignment help linked in this week’s Learning Resources. Also, you can use […]

Reply to: The website Correlated shares poll responses and results, for surprising connections between seemingly unrelated things. Two correlations I found there were: “In general, 35 percent of people say they are fastidious about locking the bathroom door. But among those who say they did not change more than they expected to over the past […]

Reply to:   A correlation is a statistical measure that expresses the extent to which two variables are linearly related. It’s a common tool for describing simple relationships without making a statement about cause and effect. The sample correlation coefficient, r, quantifies the strength of the relationship. Correlations are also tested for statistical significance. We […]

 For this discussion activity, describe what you consider is the most important thing you have learned from statistics and what you will take away from learning about statistics. For example, you may want to discuss your improved understanding of a particular statistical test that you think you will use in your future courses. Or, you […]