Which Formula Would Be Used to Determine the Sample Size $$n = \frac { \sigma ^ { 2 } z ^ { 2 } } { D ^ { 2 } }$$

question 45

Multiple Choice

Which formula would be used to determine the sample size using the formula for the standard error of the proportion?

• A) \[n = \frac { \sigma ^ { 2 } z ^ { 2 } } { D ^ { 2 } }\]
• B) \[n = \frac { \pi ( 1 - \pi ) z ^ { 2 } } { D ^ { 2 } }\]
• C) \[\sigma _ { X } = D / z\]
• D) A and C are correct

Recognize the purpose and design of randomized block experiments, including blocking variables.

Calculate and interpret sum of squares in ANOVA, including total, treatment, and error.

Understand the concepts of Type I error and experimentwise error rate in the context of multiple testing.

Understand the differences between fixed-effects and random-effects ANOVA.

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