Unformatted text preview: . ( a ) Convenience sample. ( b ) This sample of 35 individuals with knee pain is assumed to a simple random sample. Each simple sample of size 35 has the same chance of selection. ( c ) Yes, but only if his patients behave like a random sample from the general population. ( d ) In order to cover the entire population of his patients, a systematic random sample may be considered. Exercise 7.13 . ( a ) The &rst question is more unbiased. sample. ( b ) Notice that the percentage favoring the new space program drops dramatically when the phrase \spending billions of dollars" is added to the question....
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 Spring '08
 Cheng
 Statistics, Self number, Simple random sample, Experimental Unit

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