Independent Simple Random Samples Are Taken to Test the Difference

question 60

Multiple Choice

Independent simple random samples are taken to test the difference between the means of two populations whose standard deviations are not known, but are assumed to be equal. The sample sizes are n₁ = 25 and n₂ = 35. The correct distribution to use is the

• A)t distribution with 61 degrees of freedom
• B)t distribution with 60 degrees of freedom
• C)t distribution with 59 degrees of freedom
• D)t distribution with 58 degrees of freedom

Recognize key events that heightened sectional tensions, such as the caning of Charles Sumner and the Dred Scott decision.

Identify the significance and outcomes of major political and legal decisions, including those related to slavery and citizenship.

Analyze the role of infrastructure developments, like railroads, in regional economic disparities and political tensions.

Understand the political landscape and electoral dynamics leading up to the Civil War, including the fragmentation of political parties.