Sampling and Surveys

Census

________: collection of data from every subject matter in population.

Prospective

________: follows individuals to gain further data.

Retrospective

________: examines existing data or asks about past behaviors.

Statistic

________ is used to estimate the parameter.

Population

________: whole collection of people that information is sought out from.

Sample

________: specific bit of population where data is collected from.

Population

whole collection of people that information is sought out from

Census

collection of data from every subject matter in population

Sample

specific bit of population where data is collected from

Step 1

Randomly select starting point

Step 2

Select every kth item after

Step 1

How will sampled individuals differ from the rest of the population

Step 2

How this results in overestimate or underestimate

Retrospective

examines existing data or asks about past behaviors

Prospective

follows individuals to gain further data

Step 2

Use a method of random number selection and pick from each stratum to form the complete sample