?Brain Volume Using all of the brain volumes listed in Data Set 8 “IQ and Brain Size”
Chapter 7, Problem 1(choose chapter or problem)
Brain Volume Using all of the brain volumes listed in Data Set 8 “IQ and Brain Size”, we get this 95% confidence interval estimate: \(9027.8<\sigma^{2}<33,299.8\), and the units of measurement are \(\left(\mathrm{cm}^{3}\right)^{2}\). Identify the corresponding confidence interval estimate of \(\sigma\) and include the appropriate units. Given that the original values are whole numbers, round the limits using the round-off rule given in this section. Write a statement that correctly interprets the confidence interval estimate of \(\sigma\).
Text Transcription:
9027.8 <\sigma^2 <33,299.8
cm^3^2
\sigma
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