A researcher wants to determine whether the faculty-to-student ratio tends to be different in private colleges from
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A researcher wants to determine whether the faculty-to-student ratio tends to be different in private colleges from that in public colleges. She has an almanac that lists this information for all accredited colleges. She creates two subgroups: one for private and one for public colleges. Then she selects every 20th private college and every 20th public college for her analysis. What two types of sampling are combined here?
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Related Book For
Introductory Statistics Exploring The World Through Data
ISBN: 9780135163146
3rd Edition
Authors: Robert Gould, Rebecca Wong, Colleen N. Ryan
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