Unit 7 Day 5 Ch 9 Sampling & Bias Quiz
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| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
They randomly selected 500 members from each of the lists of all doctors, all nurses, and all other employees and surveyed those 1500 members. | arrow_right_alt | Stratified |
They randomly selected ten cities from all cities in which its members lived, and then surveyed all members in those cities. | arrow_right_alt | Cluster |
They randomly choose a starting point from the first 50 names in an alphabetical list of members (doctors, nurses, and other medical employees), then chose every 50th member in the list starting at that point. | arrow_right_alt | Systematic |
They randomly chose 1500 employees from a list of all the employees in the network: doctors, nurses and all other employees combined. | arrow_right_alt | Simple Random Sample (SRS) |
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
A uniformed police officer interviews a group of 50 college freshmen. He asks each his/her name and if he/she has used an illegal drug in the last month. | arrow_right_alt | Response Bias |
The magazine Harley Davidson Today sent a survey to its subscribers asking whom they admire most in America. | arrow_right_alt | Nonresponse Bias |
A survey about the food in the school cafeteria was conducted by passing out questionnaires to students as they entered the cafeteria. A drop box for completed forms was on a table be the cash register. Of 275 surveys handed out, 169 were returned to the box. | arrow_right_alt | Voluntary Response Bias |
A political party mailed questionnaires to all registered voters in Texas, asking whether or not the party should support the death penalty. The voters mailed the completed questionnaires back in an envelope provided. | arrow_right_alt | Undercoverage Bias & Convenience Bias |
| Draggable item | arrow_right_alt | Corresponding Item |
|---|---|---|
Simple Random Sample (SRS) | arrow_right_alt | There is no randomization in this method. |
Systematic | arrow_right_alt | The subjects are each randomly chosen with a Random Number Generator. Each one has an equal chance of being chosen. |
Stratified Random Sample | arrow_right_alt | Subjects are first grouped by similar characteristics, then a set amount are randomly chosen from each group. |
Cluster Sample | arrow_right_alt | Subjects are grouped into smaller representative groups, then a set amount of groups are randomly chosen and each member of the group is surveyed. |
Convenience Sample | arrow_right_alt | A random starting point is selected by a random number generator then every nth person is part of the sample |