A researcher wanted to find out whether IQ is a function of family size. The speculation was that among families with fewer children, each child receives more parental attention and intellectual stimulation and should therefore have higher IQs, than would a child reared in a larger family. A large random sample of two-child families was selected, as well as, a similar sample of six-child families. The IQs of all children were measured, and the two sample groups were compared.
A researcher wanted to find out whether IQ is a function of family size. The speculation was that among families with fewer children, each child receives more parental attention and intellectual stimulation and should therefore have higher IQs, than would a child reared in a larger family. A large random sample of two-child families was selected, as well as, a similar sample of six-child families. The IQs of all children were measured, and the two sample groups were compared.
Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
Publisher:Carter
Chapter4: Equations Of Linear Functions
Section4.5: Correlation And Causation
Problem 2CYU
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