set of all possible values of a variable

subset taken from a population

a sampling method of choosing representatives from a population wherein every sample has an equal chance of being selected

types of random sampling

simple random sampling is also known as

also known as lottery sampling

a sampling technique in which every element of the population has the same chance of being selected

whose formula is used in simple random sampling

simple random sampling/slovin's formula:

in simple random sampling, use ____ or ____ for the margin of error

a sampling technique in which members of the population are listed and samples are selected at intervals called sample intervals

what are the samples that are selected at intervals called in systematic sampling

formula used in systematic sampling

a sampling technique in which the population is first divided into strata and then samples are randomly selected separately from each stratum

a sampling technique in which the the entire population is broken into small groups or clusters and then some of the clusters are randomly selected

also referred as area sampling

cluster sampling is also referred as

a sampling technique which uses a combination of different sampling techniques

an average value found in a sample

a frequency distribution using means computed from all possible random samples of a specific size taken from a population

formula of the MEAN of the sampling distribution of the sample means

formula of the VARIANCE of the sampling distribution of the sample means

formula of STANDARD DEVIATION of the sampling distribution of the sample means

also called student's t-distribution

student's t-distribution is developed by?

type of probability distribution that is used in statistics when dealing with small sample sizes and when the population standard deviation is unknown

is used instead of the normal distribution when you have a sample of n<30