Using this sampling technique, requires that the population be divided into groups. These groups are called Strata.

sample

Asking someone to rate one particular thing.

Question

A study that considers individuals over a long period of time.

Study

variables that can be measured numerically.

None

Data collected by you.

None

a word of phrase sought over the Internet

None

Facilitates the storage and retrieval of a wide range of data

None

A statement or question that your project will answer or discuss.

None

Can include a decimal, rational numbers –4/67 or 67

Number

a random defined number which provides a measure of scale.

None

Uses a scale – 1 to 4 for example

Question

can’t be a fraction of a number, a percentage, or have a decimal.

Number

the respondent must choose from a given list of responses. These responses are easily analyzed.

Question

factors in the sampling method that influence the result. – poor question design – interviewer tone and attitude

Bias

Used when sampling a fixed percent of the population

sample

This occurs when one type of respondent is overrepresented because groupings of different sizes are polled equally. – Overrepresentation

Bias

information that is gathered about an entire population.

None

Data that is collected over a period of time.

None

a study that considers individuals from different groups at the same time.

Study

Definition

Answer

Hint

Employs Checkmarks for selection

Question

Can be raw data or cumulative information depicted on a table.

None

an unintended influence when gathering data from a sample.

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

Numbers which can continue forever. ex- Pi

Numer

A measured value that can change.

None

This occurs when surveys are not returned – thereby influencing the results.

Bias

data that can be described using whole numbers.

None

a conclusion that can be made about a population, which is based on a sample.

None

Samples from which the selected elements cannot be reintroduced into the population.

sample

Respondent uses own words – allows for a wide variety of possibilities that are sometimes difficult to interpret.

Question

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

Used to store data (textual and numerical) in rows and column called “cells”. Can manipulate this data using formulas

None

this occurs when the chosen sample does not accurately represent the population.

Bias

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

Data collected from other sources.

None

A visual display use in brainstorming to show relationships → Flow Charts

None

variables that cannot be described numerically.

None

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