SOAN 2120 Lecture : SOAN 2120 MARCH 23.docx

• School: University of Guelph
• Department: Sociology and Anthropology
• Course: SOAN 2120
• Professor: Scott Schau

Document Summary

Range: distance separating the highest and lowest observation recorded. Standard deviation: average dispersion of all values from the mean. Percentiles: division of the sample into various groups of equal size where the observed values fall. Inter-quartile range: difference between the 75th and 25th percentile. Highest number the lowest number = the range. Interpretation: the difference between the student who ate the most kraft dinners and the student who had the least is 45. Noir and the mct (measures of central tendency) Nominal -> yes mode ->no median -> no mean -> no measure of dispersion. Ordinal -> yes -> yes -> no -> no. Interval -> yes -> yes -> yes -> yes. Ratio -> yes -> yes -> yes -> yes. Statistical descriptions of some variable are broken into subsets of a population for the sake of comparison. Comparisons are often based on the assumption of causality. Values of the d. v> are contingent on values of the i. v.