to estimate the percentage of defects in a recent manufacturing batch, a quality - control manager selects…

to estimate the percentage of defects in a recent manufacturing batch, a quality - control manager selects every twentieth widget that comes off the assembly line, starting with the tenth, until he obtains a sample of sixty widgets.\nwhat type of sampling method is used?\ncluster\nsystematic\nsimple random\nconvenience\nstratified

to estimate the percentage of defects in a recent manufacturing batch, a quality - control manager selects every twentieth widget that comes off the assembly line, starting with the tenth, until he obtains a sample of sixty widgets.\nwhat type of sampling method is used?\ncluster\nsystematic\nsimple random\nconvenience\nstratified

Answer

Brief Explanations:

Systematic sampling involves selecting every k - th element from a population. Here, the quality - control manager selects every twentieth widget starting with the tenth until a sample of sixty is obtained. This follows the pattern of systematic sampling. In cluster sampling, the population is divided into clusters and some of the clusters are selected. In simple random sampling, each element has an equal chance of being selected without a fixed pattern. Convenience sampling selects elements that are easily accessible. Stratified sampling divides the population into strata and samples from each stratum.

Answer:

systematic