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

A measured value that can change.

None

Requires that all selections are equally likely and all combonation of selections are equally likely.

sample

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

sample

variables that cannot be described numerically.

None

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

Question

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

Study

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

Study

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

None

Data collected from other sources.

None

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

None

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

Bias

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

None

Employs Checkmarks for selection

Question

data that can be described using whole numbers.

None

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

Number

variables that can be measured numerically.

None

Definition

Answer

Hint

a random defined number which provides a measure of scale.

None

Facilitates the storage and retrieval of a wide range of data

None

Numbers which can continue forever. ex- Pi

Numer

Used when sampling a fixed percent of the population

sample

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

None

Data collected by you.

None

Data that is collected over a period of time.

None

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

Question

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

Bias

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

Bias

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

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

sample

an unintended influence when gathering data from a sample.

None

information that is gathered about an entire population.

None

a word of phrase sought over the Internet

None

Asking someone to rate one particular thing.

Question

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

None

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

Bias

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

Number

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