You Wish to Compute a Confidence Interval for a Population $\hat { p }$

question 17

Multiple Choice

You wish to compute a confidence interval for a population proportion p.For a constant confidence level and sample size,which of the following values of $\hat { p }$
Will result in the interval with the shortest width?

• A)0.5
• B)0.9
• C)0.8
• D)0.2
• E)0.4

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Definitions:

Average

A statistical measure representing the central or typical value in a set of data, calculated by dividing the sum of all values by the number of values.

Scatterplot

A type of graph used in statistics to display values for typically two variables for a set of data, showing the relationship between them.

Perfect Correlation

A statistical measure indicating that two variables move in unison, either directly (1.0) or inversely (-1.0) without any deviation.

Fall

The action or process of moving downwards under the force of gravity.