To explain: Whether it could be concluded that the playing chess is leading increase in reading skill.
Answer to Problem 32E
No.
Explanation of Solution
Given:
The boxplots are:
Here, no information about the technique of sample selection has been provided. Thus, it cannot be said whether the selected sample is simple random or not and without knowing the sample technique overall idea about the population cannot be drawn.
And significance always does not imply causation. Thus, it cannot be concluded that the playing chess is leading increase in reading skill.
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