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Questions
251A-STATS-10-LEC-1 Quiz #5- Requires Respondus LockDown Browser
Single choice
Why did we not extend the red line (for the women) all the way to 74 inches, instead of stopping at 69 inches? Choose the correct answer below.
Options
A.There are no women taller than 69 inches, so the line should stop at 69 inches to avoid extrapolating.
B.It is incorrect that the line stops at 69 inches. The line should have extended to 74 inches.
C.Not many women have a shoe size bigger than size 9, and the height of 69 inches corresponds with that data point, so the line should stop at size 9 to avoid extrapolating.
D.The line for the men starts about halfway up the women's line so the women's line stops about halfway up the men's line in order to avoid too much overlap on the scatterplot.
View Explanation
Standard Answer
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Approach Analysis
The question asks why the red line for women was not extended to 74 inches and instead stops at 69 inches. Each option should be evaluated for accuracy and reasoning quality.
Option 1: 'There are no women taller than 69 inches, so the line should stop at 69 inches to avoid extrapolating.' This statement aligns with a cautious data-interpretation principle: if the dataset contains no observations beyond 69 inches, extending the line to 74 would require extrapolation beyond th......Login to view full explanationLog in for full answers
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