MSIT Test 1 Study Guide Exam.
Parameter - CORRECT ANSWER the unknown, true value that we wish we knew
Statistic - CORRECT ANSWER any result we get based on the sample data
Sampling Frame - CORRECT ANSWER The list of individuals from which the sample is drawn
Simple Random Sample - CORRECT ANSWER When every individual is put onto the same list and each
person is selected randomly
- Everyone has the same chance to be selected
Systematic Sample - CORRECT ANSWER - by selecting every 10th, 50th, 100th person
- The first person must be selected randomly
Stratified Sample - CORRECT ANSWER When the sampling frame is divided into groups and some people
are selected randomly from each group
- most accurate method
- "forces" the sample to have same characteristics as the population
Cluster Sampling - CORRECT ANSWER when the population is split into groups and the clusters are
chosen at random and everyone in that cluster is sampled while other clusters are completely ignored
Nonresponse Bias - CORRECT ANSWER - When selected individuals cannot be reached or do not respond
- To reduce it, follow up to try to get into contact with them
Undercoverage - CORRECT ANSWER - when the sampling frame does not represent the entire
population, which results in certain groups/characteristics being left out
Response Bias - CORRECT ANSWER When the wording of the question affects the answers
Parameter - CORRECT ANSWER the unknown, true value that we wish we knew
Statistic - CORRECT ANSWER any result we get based on the sample data
Sampling Frame - CORRECT ANSWER The list of individuals from which the sample is drawn
Simple Random Sample - CORRECT ANSWER When every individual is put onto the same list and each
person is selected randomly
- Everyone has the same chance to be selected
Systematic Sample - CORRECT ANSWER - by selecting every 10th, 50th, 100th person
- The first person must be selected randomly
Stratified Sample - CORRECT ANSWER When the sampling frame is divided into groups and some people
are selected randomly from each group
- most accurate method
- "forces" the sample to have same characteristics as the population
Cluster Sampling - CORRECT ANSWER when the population is split into groups and the clusters are
chosen at random and everyone in that cluster is sampled while other clusters are completely ignored
Nonresponse Bias - CORRECT ANSWER - When selected individuals cannot be reached or do not respond
- To reduce it, follow up to try to get into contact with them
Undercoverage - CORRECT ANSWER - when the sampling frame does not represent the entire
population, which results in certain groups/characteristics being left out
Response Bias - CORRECT ANSWER When the wording of the question affects the answers
