A 95% Confidence Interval Was Computed Around a Sample Mean

question 18

Multiple Choice

A 95% confidence interval was computed around a sample mean of 10.The resulting confidence interval is (5,11) .Does this appear to be a valid confidence interval?

• A)Yes,the confidence interval includes the sample mean.
• B)Yes,the confidence interval is small enough to be a 95% confidence interval.
• C)No,the confidence interval should be symmetric around the sample mean.
• D)No,the confidence interval cannot contain the sample mean.

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Definitions:

Lincoln

Abraham Lincoln, the 16th President of the United States, who led the country during the Civil War and is credited with emancipating the slaves.

Savannah

A coastal city in the state of Georgia, known for its well-preserved historic district, cobblestone squares, and significant role in the American Civil War.

Re-elected

Refers to the act of being elected again to a position or office, typically after an initial or preceding term.

Sherman And Sheridan

Two Union generals, William Tecumseh Sherman and Philip Sheridan, known for their strategies and roles in the American Civil War that contributed significantly to the defeat of the Confederate States.