Use the Confidence Level and Sample Data to Find the Margin

question 12

Multiple Choice

Use the confidence level and sample data to find the margin of error E
-Weights of eggs: $95 \%$ confidence; $\mathrm { n } = 47 , \overline { \mathrm { x } } = 1.44 \mathrm { oz } , \sigma = 0.39 \mathrm { oz }$

• A) \(6.86 \mathrm { oz }\)
• B) \(0.09 \mathrm { oz }\)
• C) \(0.02 \mathrm { oz }\)
• D) \(0.11 \mathrm { oz }\)

Apply the t-test for independent samples to real-world data.

Interpret t-test results and make conclusions about population means.

Understand the assumptions underlying the t-test for two independent samples.

Apply and interpret confidence intervals for the mean difference between two populations.

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