Statıstıcs I Deneme Sınavı Sorusu #853903
Say you are investigating the smart phone preferences of people living in Turkey and you surveyed 2000 people in Denizli. What can you say your results?
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Can give statistical estimates of preferences of Turkish people |
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Cannot say anything about people live in Turkey |
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Should gather more data from Denizli |
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Can present exact proportions of preferences in Turkey |
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Can present exact proportions of preferences in Denizli |
Yanıt Açıklaması:
A reasonable survey would carefully select people as a sample and gathering data from Denizli would not represent Turkey. Statistics working on samples cannot give absolutely correct information. Sample being carefully selected, it can give a statistical estimate of proportions.
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