Solutions Statistics

A report on egg consumption shows that people living in China eat an average of mean m = 196 eggs ea

Question: Refer to problem #8. Construct the 90%, 95%, and 99% confidence intervals for \[{{\mu }_{1}}-{{\mu }_{2}}\] where \[{{\mu }_{1}}\] represents the population mean number of drinks for female sophomores and \[{{\mu }_{2}}\] presents the population mean number of drinks for male sophomores. Write a few sentences comparing your confidence interval results with the hypothesis test results in #8.

Female students	Male students
\[\overline{{{x}_{1}}}=4.14\]drinks	\[\overline{{{x}_{2}}}=6.43\]drinks
\[{{s}_{1}}=2.3765\]drinks	\[{{s}_{1}}=3.4805\]drinks
\[{{n}_{1}}=53\]	\[{{n}_{2}}=60\]
population mean m₁	population mean m₂