To identify: The bias and determine how the statistic might differ from the population parameter. Also suggest correction.
This is a case of Response bias.
He never mentioned the use of stop sign. The statistic is probably higher than the population parameter.
It could be lesser if he asked the citizens “Should government allow private citizens to ignore stop sign”.
Given: The first appearance of the bird in the spring has steadily changed earlier in that year by 13 days. She states global warming is responsible for this.
Explanation:
This is a case of Undercoverage bias.
She made a global conclusion without performing any experiment, but causation cannot be applied without any experimentation.
The observation could be more convincing if the similar changes were made by other feeders as well.
Chapter 10 Solutions
PRECALCULUS:GRAPHICAL,...-NASTA ED.
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