When You Calculate the Sample Size for a Proportion, You

question 40

Multiple Choice

When you calculate the sample size for a proportion, you use an estimate for the population proportion; namely . A conservative value for n can be obtained by using = :

• A) 0.01
• B) 0.05
• C) 0.10
• D) 0.50
• E) 1.00

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Definitions:

Interquartile Range

A measure of variability, based on dividing a data set into quartiles.

Quartiles

Values that divide a data set into four equal parts, used in descriptive statistics to provide insights into the distribution of the data.

Upper Fence

A method in statistics used to identify potential outliers, determined by adding 1.5 times the interquartile range to the third quartile.

Box and Whisker Plot

A graphical representation used in statistics to display the distribution of datasets. It shows the median, quartiles, and possible outliers in the data.