is a value, usually a numerical value, that describes

a population.

a set of individuals selected from a population,

is a value, usually a numerical value, that describes a

sample.

is a characteristic or condition that changes or has different

values for different individuals.

Possible number or category a value can have, i.e 1.00 - 5.00,

Male/Female

a particular sample’s value on a variable.

measurements or observations.

is a collection of measurements or observations.

single measurement or observation and is

commonly called a score or raw score.

consist of techniques that allow us to study

samples and then make generalizations about the populations

from which they were selected

is the naturally occurring discrepancy,

that exists between a sample statistic and the corresponding

population parameter.

are statistical procedures used to

summarize, organize, and simplify data.

A survey will be given to 250 students randomly selected from the

freshmen class at TNCHS. What is the population?

A survey will be given to 250 students randomly selected from the

freshmen class at TNCHS. What is the SAMPLE?

You are interested in determining the effects of amount of stress on the

academic performance of college students. A group of 40 students agree

to participate in your study. The 40 students are...

1000 candies were randomly selected from a big candies

company. These big candies company are

referred to as the ______.

A standard deviation is known as a parameter if it is computed from the

A mean could be a

consists of separate, indivisible

categories, cannot be divide

there are an infinite number of

possible values that fall between any two observed values. A continuous

variable is divisible into an infinite number of fractional parts.