Concept explainers
(a)
To construct the scatterplot that displays the relationship between average crawling age and average temperature.
(a)
Explanation of Solution
The scatterplot that displays the relationship between average crawling age and average temperature is as follows:
(b)
To describe the direction, strength and form of the relationship and conclude about when babies learn to crawl.
(b)
Explanation of Solution
Since the scatterplot slopes downwards, the graph has a negative association which seems to be weak (points lie far from each other). The scatterplot also shows a linear relationship, because there is no strong curvature in the scatterplot.
Chapter 4 Solutions
Statistics Through Applications
Additional Math Textbook Solutions
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Essentials of Statistics, Books a la Carte Edition (5th Edition)
Statistical Reasoning for Everyday Life (5th Edition)
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