Personal Web Space Basics - University of Baltimore
Descriptive Statistics
E-Lab and Computational Tools report:
The chart below is from the descriptive statistics site. I first used a scientific calculator to get my answers for problem 3.27 page 108 sections 3.3. Next I compared my answers to the answers below. The descriptive statistics site is just as efficient as the scientific calculator. But what I really like about this program is its simplicity. The scientific calculator involves using more steps to problem solve data entry problems, whereas the descriptive statistics site only entails entering the data and pressing the calculate button. The numbers are also rounded when using this site. After using both methods to solve this problem, I prefer this site. The written problem will be faxed. After using Excel for problem 2.52, I believe there must be better tools to solve problems like 2.52. Excel is not one of my favorite computational tools.
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|[pic] |
|Observations |[pic] |Max |[pic] |
|Mean (Average) |[pic] |Min |[pic] |
|Variance |[pic] |Range |[pic] |
|Standard Deviation |[pic] |1st Quartile |[pic] |
|Coef. of Variation |[pic] |Coef. of Quar. Var. |[pic] |
|Skewness |[pic] |3rd Quartile |[pic] |
|Kurtosis |[pic] |InterQuartile |[pic] |
|Mean St. Error |[pic] |Quartile Deviation |[pic] |
|Median |[pic] |Mean Abs. Devia. |[pic] |
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