Matching Pairs Statistics Vocabulary Matching Game Part 1Online version Test your knowledge of statistics vocabulary with this fun matching pairs game! by Peter Allen 1 Observational Study 2 Sample 3 Experimental Study 4 Population 5 Secondary Data 6 Survey Study 7 Statistic 8 Stratified Sampling 9 Systematic Sampling 10 Parameter 11 Bias 12 Cluster Sampling 13 Primary Data a study where researchers observe the effect of a specific factor on a group or groups of a population data that is collected directly by someone other than the researcher data that is collected directly by the researcher when data is collected in a way that does not represent the population the entire group a researcher is interested in a method involving selecting participants at a regular interval a method involving dividing potential participants with similarities into groups. Then participants are selected randomly from these groups a measure or value of the entire population a measure or value of the sample a study where researchers try to understand a cause and an effect relationship a method involving dividing participants into groups. Then some of the groups are selected to participate in the study a study where researchers survey a group or groups from a population to estimate the characteristics of the whole population a group within the population