us- et ime Population Size Here's the narrated ver- ing standard polling procedures Matter? ion of this important idea about mpling Nevertheless studies indicate that those actually samp larger populations from which the surveyed households led can give a good snapshot of drawn were Does a Census Make Sense? hy bother determining the right sample size? Wouldn't it be better to just in- e everyone and sample the entire population? Such a special sample is called a census Although a census would appear to provide the best possible in formation about the population there are a number of reasons why it might not First it can be difficult to complete a census There always seem to be some in- dividuals who are hard to locate or hard to measure The cost of locating the last ew cases may far exceed your budget It can also be just plain impractical to take census If you were a taste tester for the Hostess Company you probably wouldn't want to census all the Twinkies on the production line Aside from the fact that you couldn't possibly eat that many Twinkies it would defeat the pur pose of your job You wouldn t have any left to sell And a wine tasting wouldn't be v - Prito-Lay sampling for ery practical if we needed to drink the whole bottle to get an idea of its qual ity So it's often not practical to attempt a census Second populations rarely stand still In populations of people babies are and folks die or leave the country In opinion surveys events may cause a shift in opinion during the survey Even if you could take a census the population changes while you work so it's never possible to get a perfect measure A sample surveyed in just a few days may give more accurate information Third taking a census can he moro ow does a potato chip rer make sure to cook t potatves? See sam- born k in this video The *real* reason Hostess went bankrupt Meme

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found ON 2019-05-15 22:08:32 BY esmemes.com

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