

Study with the several resources on Docsity
Earn points by helping other students or get them with a premium plan
Prepare for your exams
Study with the several resources on Docsity
Earn points to download
Earn points by helping other students or get them with a premium plan
Community
Ask the community for help and clear up your study doubts
Discover the best universities in your country according to Docsity users
Free resources
Download our free guides on studying techniques, anxiety management strategies, and thesis advice from Docsity tutors
This document from the university of queensland student services outlines the process of selecting the appropriate elementary statistical test based on the type of research question and the nature of the data. It covers tests for degree of relationship or dependence among variables, significance of group differences, and assumptions for each. Examples of statistical tests include t-test for correlations, goodness-of-fit test, z-test, t-test for independent samples, mann-whitney u test, anova, and kruskal-wallis test.
Typology: Exercises
1 / 2
This page cannot be seen from the preview
Don't miss anything!
Student Services, The University of Queensland
Is there a relationship between one trait and another? (I.e. does the observed frequency of one trait depend on the frequency of another?) Both nominal or one nominal and one ordinal (i) Is eye colour independent of hair colour? (ii) Is opinion about a government policy independent of political affiliation? Contingency table Is there a relationship between two continuous variables? interval, ratio (i) Does GPA depend on IQ? (ii) Does weight depend on height? t-test for correlations using Pearson‟s correlation coefficient Is there a relationship between two ordinal variables? ordinal (i) How strong is the relationship between the starting grid position of a race driver and their finishing position? t-test for correlations using Spearman‟s r s
Student Services, The University of Queensland Are the observed frequencies the same as an expected set of frequencies? All (though often nominal) (i) Are the absentee rates the same for each day of the week? (ii) Are the number of workplace accidents the same for each hour of the day? (iii) Is the observed set of scores normally distributed? Goodness-of-fit Significance of group differences Is a population mean or proportion (as estimated by a sample statistic) the same or different from a specified value?