101117u - AGENDA Exam 3 Review EXAM 3 REVIEW Chi-squared...

Info iconThis preview shows pages 1–2. Sign up to view the full content.

View Full Document Right Arrow Icon
Sheet1 Page 1 AGENDA Exam 3 Review EXAM 3 REVIEW Chi-squared goodness of fit test U and H Rank Sum Tests Linear Regression GOODNESS OF FIT TESTS Based on a comparison of observations between Observed data Theoretical data The comparison utilizes a set of intervals or cells Each cell has a lower and upper boundary values The determination of the boundaries are a function of Theoretical distribution Number of observations in the sample 2 different approaches Equi-interval Equi-probableO CELLS AND BOUNDARIES Maximum number of cells not to exceed 100 Expected number of observations needs to be at least 5 To calculate observed values in each cell, we must determine the actual x cell boundaries from the equiprobable cells X cell boundaries depend on distribution Normal Exponential Uniform TEST STATISTIC RANK SUM TESTS Used when the sample data is either Non-normal To small to determine normality RANK SUM U-TEST Comparing 2 data sets Alternative to: Independent t test Smith-Satherwaithe test
Background image of page 1

Info iconThis preview has intentionally blurred sections. Sign up to view the full version.

View Full DocumentRight Arrow Icon
Image of page 2
This is the end of the preview. Sign up to access the rest of the document.

Page1 / 3

101117u - AGENDA Exam 3 Review EXAM 3 REVIEW Chi-squared...

This preview shows document pages 1 - 2. Sign up to view the full document.

View Full Document Right Arrow Icon
Ask a homework question - tutors are online