Which Statement Is Incorrect? Explain

question 82

Multiple Choice

Which statement is incorrect? Explain.

• A)If p = .50 and n = 100, the standard error of the sample proportion is .05.
• B)In a sample size calculation for estimating π, it is conservative to assume π = .50.
• C)If n = 250 and p = .06, we cannot assume normality in a confidence interval for π.

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Definitions:

Null Hypothesis

A statistical hypothesis that assumes no significant difference or effect exists within a certain set of observations.

Significant Difference

A statistical measure indicating that the observed difference between two datasets is likely not due to random chance.

Confidence Interval

An assortment of values, coming from statistical review of samples, aiming to envelop the value of an unspecified population parameter.

Margin Of Error

An expression of the amount of random sampling error in a survey's results, which indicates the range within which the true value lies with a certain degree of confidence.