Mathematics, 28.07.2019 13:00 lina2662
Arandom sample means that: (a)every person has an equal chance of being selected (b) there is no pre-planning in the selection process (c) every person who is encountered is selected (d) researchers decide how many people of certain types they need in a survey
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Arandom sample means that: (a)every person has an equal chance of being selected (b) there is no pr...
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