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Mathematics, 19.02.2020 00:55 KillerSteamcar

Explain why each of the following studies may fail to yield the desired information. (a) To determine the average annual income of its graduates 10 years after graduation, the alumni office of a university sent questionnaires in 2015 to all members of the class of 2005. (b) To study the spending patterns of individuals, a survey is conducted during first three weeks of December.

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Explain why each of the following studies may fail to yield the desired information. (a) To determin...
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