This preview shows page 1. Sign up to view the full content.
Unformatted text preview: is set of categories, classes or type. Nominal Data is data that is randomly ordered. Ordinal Data is data that is ordered in a certain way. Quantitative Data is numeric. Discrete is countable #, isolated point. Continuous is not accurate. Outlier is an extreme value. Sample Variance, S 2 , is the average of the squared deviation of the data values from the sample mean. = . = + + . x Total x1 x2 x3 etc = + + . x2 x12 x22 x32etc S 2 = *-( - ) n x2 x2n n 1...
View Full Document
- Spring '07