Bottorff Lab 2

Bottorff Lab 2 - Nicolaides MAS 261 Lab 2 Due Date: Save...

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Unformatted text preview: Nicolaides MAS 261 Lab 2 Due Date: Save this document with the two last names of the students on your team. Type both FULL names here: ________________________________________ PART ONE 1. Go to http://www.statsci.org/data/general/titanic.html . 2. Download the data file. 3. Open Excel. 4. Copy and paste the data into Excel: Edit Select All Edit Copy. Paste the data in cell A1. The entire text file is now in column A. 5. Select the Data tab. Select Text to Columns. Select Delimited and Next. Then keep Tab checked, but also check Space. Click Next, then Finish. You should now see a typical spreadsheet! 6. Identify the types of variables (list here). Name, P class, Age, Sex, Survived 7. Open Minitab. Copy and paste the Excel data into the Minitab spreadsheet. 8. Right-click on the Age column and reformat the data so that there are no decimal places. 9. In class, we made a stemplot by hand. Make one now for the quantitative variable and paste it here. What is the sample size? How does the stemplot for the population of passengers and crew compare to the sample of first class passengers you used in class? The sample size of this stemplot is 756. This sample size is much smaller than what we used in class with the passengers. Stem-and-Leaf Display: Age Stem-and-leaf of Age N = 756 Leaf Unit = 1.0 N* = 556 33 0 000000111111122222223333334444444 53 0 55566666788889999999 68 1 001112233334444 149 1 55555666666666677777777777778888888888888888888888888888889999999+ 288 2 00000000000000000000000111111111111111111111111111111122222222222+ (113) 2 55555555555555555555555666666666666666666666666666777777777777777+ 355 3 00000000000000000000000000000001111111111111122222222222222222222+ 262 3 55555555555555666666666666666666666666666667777777888888888889999+ 187 4 00000000000001111111122222222222333333344444444 140 4 55555555555555555555666666667777777778888888888889999999999 81 5 0000000000011112222223334444444 Nicolaides MAS 261 Lab 2 Due Date: 50 5 55555566667777888888999 27 6 0000011122333444444 8 6 5579 4...
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This note was uploaded on 01/17/2012 for the course SOC 103 taught by Professor Staff during the Spring '10 term at Syracuse.

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Bottorff Lab 2 - Nicolaides MAS 261 Lab 2 Due Date: Save...

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