Using this sampling technique, requires that the population be divided into groups. These groups are called Strata.
sample
Can include a decimal, rational numbers –4/67 or 67
Number
Data collected from other sources.
None
Population be divided into groups. A random sample of groups is chosen and then a random sample of members of the chosen group is taken.
sample
a random defined number which provides a measure of scale.
None
Respondent uses own words – allows for a wide variety of possibilities that are sometimes difficult to interpret.
Question
Uses a scale – 1 to 4 for example
Question
Data collected by you.
None
Employs Checkmarks for selection
Question
This occurs when one type of respondent is overrepresented because groupings of different sizes are polled equally. – Overrepresentation
Bias
a word of phrase sought over the Internet
None
A statement or question that your project will answer or discuss.
None
variables that cannot be described numerically.
None
Numbers which can continue forever. ex- Pi
Numer
A visual display use in brainstorming to show relationships → Flow Charts
None
the respondent must choose from a given list of responses. These responses are easily analyzed.
Question
a study that considers individuals from different groups at the same time.
Study
a conclusion that can be made about a population, which is based on a sample.
None
an unintended influence when gathering data from a sample.
None
Definition
Answer
Hint
factors in the sampling method that influence the result. – poor question design – interviewer tone and attitude
Bias
variables that can be measured numerically.
None
A study that considers individuals over a long period of time.
Study
A measured value that can change.
None
Can be raw data or cumulative information depicted on a table.
None
data that are only measurable with real numbers
None
Requires that all selections are equally likely and all combonation of selections are equally likely.
sample
Used to store data (textual and numerical) in rows and column called “cells”. Can manipulate this data using formulas
None
data that can be described using whole numbers.
None
Facilitates the storage and retrieval of a wide range of data
None
This occurs when surveys are not returned – thereby influencing the results.
Bias
Used when sampling a fixed percent of the population
sample
can’t be a fraction of a number, a percentage, or have a decimal.
Number
Data that is collected over a period of time.
None
this occurs when the chosen sample does not accurately represent the population.
Bias
information that is gathered about an entire population.
None
Asking someone to rate one particular thing.
Question
Population is organized in groups. Groups Examples: Schools, Communities, Companies. A random sample of the groups is chosen. All the members of the groups would be surveyed.
sample
Samples from which the selected elements cannot be reintroduced into the population.
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