Math153 Name(s): _________________________________________

2/06 _________________________________________________

_________________________________________________

Project 3: Minitab (10 points)

Due: on or before Friday, February 17, 2006 Oriole Baseball Salaries 2005

(see http://asp.usatoday.com/sports/baseball/salaries/default.aspx)

1) Locate the salaries for the Orioles baseball team 2005 season by using the link above Change the salaries to units of millions of dollars by dividing each number by 1000000 and rounding to one decimal place. Write your values in the table on the paper you printed out. For example 322,500 becomes 0.3, 350,000 becomes .4, and 2,600,000 becomes 2.6. There are 28 Oriole salaries.

2) Enter your changed data in a Minitab worksheet (save your worksheet preferably in an Excel dataset and copy/paste). (Stat, Basic Statistics, Display Descriptive Statistics. In the dialog box, click on statistics. Select Mean, Standard deviation, Variance, First quartile, Median, Third quartile, Interquartile range, Median, (5%) Trimmed mean, Minimum, Maximum, N nonmissing, N missing. Find the following descriptive statistics.

a) Mean _________________________________________

b) Median _______________________________________

c) 5% Trimmed Mean __________________________________________

d) Range ___________________________

e) Interquartile range _________________________________

f) Standard Deviation __________________________________________

g) Variance

3) Using Minitab, draw one of the following: dot plot OR histogram (Just let Minitab run a simple histogram, with the default classes).

4) Using Minitab, draw a boxplot.

5) Using the J201 computers, put your name on all windows.

Attach print-outs of the graphs, Session window, Data worksheet window.

6) Are there any outliers in these data? Briefly explain.

7) In obtaining the data from the USA Today site, you can compare median salaries of the baseball teams. Why is the median used as an average?