Stats 1.1-1.5

Sampling method involves collecting data from every kth element in the population

Data that increases or decreases by finite, or countable numbers

___________ is a collection of data from every member of the population.

When data is collected, but no attempt is made to modify or alter the subjects.

Data arranged in order where diff between data values is meaningful but no nat'l zero start pt

What type of study looks at data collected, observed, or measured at one point in time?

Subcollection of members selected from a population

Result from infinitely many possible values that correspond to some scale

Sampling method the book uses as the required collection method in most described procedures

Data arranged in order, but differences between values cannot be determined or are meaningless

The complete collection of individuals to be studied is __________________

Occurs when mult factors affect results of exp so that factor that caused effect cant be dtrmnd

Sample where each individual member in population has equal chance of being selected.

What is 54% of 1200?

Collections of observations

A study in which the respondents themselves decide whether to be included.

Divide population into sections, randomly choose some of those but choose ALL members within

Subdivide population into 2+ subgroups based on similarities and draw sample from each subgroup

What sample method involves using the easiest sample available at the time?

Difference between sample result & true population result. Results from chance sample fluctuate

A numerical measurement describing a characteristic of a sample

What type of data involves using numbers representing counts or measurements?

Numerical measurement describing a characteristic of a population

The process of applying some treatment to observe its effects on the subjects.

What level of measurement includes data that are names, labels, or categories only?

______ is what occurs when the sample data are incorrectly collected, recorded, or analyzed.

Looks at data collected from past by going back in time thru examination of records/interviews

Consists of names or labels that are not numbers representing counts or measurements.

Distances/prices are examples of this measurement w/ natural starting pt where values matter