Exercise 1. Association/Causation Fallacy. Write your own "attention-grabbing" headline and explain why it maybe unwarranted. Note: All these studies were observational, they were not designed experiments. See (b) fora sample solution."Study finds that your child's taller classmates are better readers!"Obvious confounder: the taller children tended to be older. Most likely, it was age, not height, thatwas driving this positive association. If the researchers had controlled for age, the associationbetween height and reading ability would likely have disappeared.c) X=TVs per capita, Y = life expectancy, Sample = {27 developed and developing countries}. Finding: Positiveassociation (i.e. more TV's corresponded with longer life expectancy)

Answered: c) X=TVs per capita, Y = life…

c) X=TVs per capita, Y = life expectancy, Sample = {27 developed and developing countries}. Finding: Positive association (i.e. more TV's corresponded with longer life expectancy)

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 30PPS

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Question

Exercise 1. Association/Causation Fallacy. Write your own "attention-grabbing" headline and explain why it may
be unwarranted. Note: All these studies were observational, they were not designed experiments. See (b) for
a sample solution.
"Study finds that your child's taller classmates are better readers!"
Obvious confounder: the taller children tended to be older. Most likely, it was age, not height, that
was driving this positive association. If the researchers had controlled for age, the association
between height and reading ability would likely have disappeared.
c) X=TVs per capita, Y = life expectancy, Sample = {27 developed and developing countries}. Finding: Positive
association (i.e. more TV's corresponded with longer life expectancy)

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