click below
click below
Normal Size Small Size show me how
Statistics Vocab
Question | Answer |
---|---|
the population is divided into strata and a random sample is taken from each stratum | Stratified Samples |
In statistics this is causing some members of the population to be less likely to be included than others. | Biased Samples |
The practice of polling only those who you believe will support your cause | Cherry Picking |
When you don't have much response to a survey | Non-Response Bias |
respondents who tend to have stronger opinions on subjects than others and are more motivated to respond may also cause bias. | Self-Selected Sample |
survey consists of only one question, which can be quickly answered and recorded. | Face to Face interviews |
respondent guides him or herself through the survey instrument without the assistance of an interviewer or a moderator. | Self-Administered Surveys |
a method in which people are chosen “out of the blue.” | Random Samples |
a set of data may have no mode or may have more than 1 mode. | Measure of Central Tendency |
a table that lists a group of data values, as well as the number of times each value appears in the data set. | Frequency Distribution Table |
Data that is listed | Ungrouped Data |
Data that is placed in intervals is called. | Grouped Data |