?25. Pooling Repeat Exercise 12 “IQ and Lead” by assuming that the two population
Chapter 9, Problem 25(choose chapter or problem)
25. Pooling Repeat Exercise 12 “IQ and Lead” by assuming that the two population standard
deviations are equal, so\(\sigma_{1}=\sigma_{2}\). Use the appropriate method from Part 2 of this section. Does pooling the standard deviations yield results showing greater significance?
Text Transcription:
\sigma_1=\sigma_2
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