The Degrees of Freedom Used When Testing Two Independent Samples $\mathrm { n } _ { 1 } - 1$

question 73

Multiple Choice

The degrees of freedom used when testing two independent samples where the population standard deviation is unknown is

• A) the smaller of \(\mathrm { n } _ { 1 } - 1\) or \(\mathrm { n } _ { 2 } - 1\).
• B) the larger of \(\mathrm { n } _ { 1 } - 1\) or \(\mathrm { n } _ { 2 } - 1\).
• C) \(n _ { 1 } + n _ { 2 } - 2\)
• D) \(n _ { 1 } + n _ { 2 } - 1\). 2 Construct and interpret confidence intervals regarding the difference of two independent means.

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