Concept explainers
(a)
To Explain: the meaning of statistically significant.
(a)
Explanation of Solution
In this case, the statistically important means that the difference in the estimated age was greater than the variations that can be explained by normal variability of the sampling.
(b)
To Explain: the terms statistical and the reason may be sceptical and about the researcher’s week’s conclusion.
(b)
Explanation of Solution
It may be suspicious of researcher assertion because having sex leads to a more youthful appearance for women. It seems more likely that, because of their age, younger looking individuals are more sexually active than older looking individuals.
Chapter PIII Solutions
Stats: Modeling the World Nasta Edition Grades 9-12
Additional Math Textbook Solutions
Introductory Statistics
Introductory Statistics
Statistics for Psychology
STATS:DATA+MODELS-W/DVD
Intro Stats, Books a la Carte Edition (5th Edition)
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