Which of these variables listed above (1-5) are quantitative and which are qualitative

INSTRUCTIONS TO CANDIDATES

ANSWER ALL QUESTIONS

Please solve the following problems using the baseball data file located in the Week 3 Course Content folder of Blackboard.  A summary of your responses should be uploaded in Blackboard using the link in the week 3 minor project folder.

1. Refer to the baseball data in the Week 3 Course Content folder in Blackboard.  Consider the following variables:

1. Number of wins
2. Payroll
3. Season attendance
4. Whether the team is in the American or National League
5. The number of home runs hit

A.) Which of these variables listed above (1-5) are quantitative and which are qualitative?

B.) Determine the level of measurement (nominal, ordinal, interval, or ratio) for each of the variables listed above (1-5).

2. Refer to the baseball data that reports information on the 30 Major League Baseball teams for the 2010 season.  Create a frequency distribution for the team payroll variable and answer the following questions.

Minitab: Stat – Basic Statistics – Display Descriptive Statistics – Variables: Payroll, then click the Statistics button: select mean, minimum, maximum, & range, ok, then select the Graphs button: Histogram of data with normal curve, ok, ok

Minitab: Stat – Tables – Tally Individual Variables, Add the Payroll to the variables area, Display: Cumulative percents, ok

SPSS: Analyze – Descriptive Statistics – Frequencies – Variables: Payroll, then click the Statistics button: select mean, minimum, maximum, & range, Continue, ok

SPSS: Graphs – Graphboard Template Chooser – Select Payroll – Select histogram with Normal Distribution, ok

A.) What is the average payroll for the team?  What is the range (minimum and maximum) of the payroll?

B.) Comment on the skewed shape of the distribution.  Is the distribution positively or negatively skewed?  Does it appear that any of the teams have a payroll that is out of line with the others?  Which teams are classified as outliers?

 

C.) Create a cumulative frequency distribution table.  Thirty percent of the teams have a payroll of less than what amount?  About how many teams have total payroll of less than $100,000,000?

Attachments:

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