a sample obtained by dividing the population into different groups, or strata, according to a characteristic, and randomly selecting data from each group.
What is stratified random sample
100
poses a question of interest to a random sample of the targeted population.
What is sample survey
100
gathers data on the effect of one or more treatments, or experimental conditions, on the character of interest.
What is experiment
100
when data are gathered from a sample, the characteristic used to describe the sample
What is statistic
100
consists of every possible sample of equal size from a given population.
What is sampling distribution
200
a sample in which every member of the population has the same chance of being selected.
What is simple random sample
200
a sample that does not accurately represent all of a population.
What is biased sample
200
the process of overlooking factors and situations that distort the final results when seeking to gather informatio or data.
What is confounding
200
interval an estimated range of values, based on the results of a sample survey.
What is confidence
200
a percentage of a sample that yields a favorable outcome in an experiment.
What is sample proportion
300
a sample obtained by selecting every nth data in the population.
What is systematic sample
300
a method of collecting data in which every member of a population has an equal chance of being selected.
What is random sample
300
area of the graph where data are grouped close together.
What is cluster
300
when data are gathered from a population, the characteristic used to describe the population is called a parameter.
What is parameter
400
a sample obtained by creating clusters, with each cluster containing the characteristics of the population, and randomly selecting a cluster.
What is cluster sample
400
a sample whose data are based on what is convenient for the person choosing the sample.
What is convienience sample
400
indicates that the result did not likely occur by chance.
What is statistically significant
400
the percentage of an entire population that yields a favorable outcome in an experiment.