BiostatsLab4SPSS - Heather Oslund BIO318M 50200 Assignment...

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Heather Oslund BIO318M 50200 Assignment #4 Assignment #4 SPSS i. The variable ‘age’ is the age of the individual people in the sample and is a scale variable, ‘agecat’ is the category or grouping of ages and is a categorical ordinal variable. ii. The data appears to have a right skew where there are more people on the right side of the mode than on the left. Number of respondents and their ages iii. There is no data for ages 1-18 which is likely due to legal issues with sampling individuals under the age of 18. Ages 18-46 increase sharply because these are healthy adults. Ages 46-66 begin to decline because people start dying. Ages 67-90 are still declining because people are dying but the tail goes out to the right because life expectancy is longer than expected due to technology and healthcare prolonging life. iv. A normal probability plot analyzes data to determine if it is normally distributed.
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Heather Oslund BIO318M 50200 Assignment #4 v.
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This note was uploaded on 02/22/2012 for the course BIO 318m taught by Professor Staff during the Spring '08 term at University of Texas.

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BiostatsLab4SPSS - Heather Oslund BIO318M 50200 Assignment...

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