Several factors are involved when creating confidence intervals, such as sample size, the level of confidence and margin of error.  Which of the following statements are true.a.    For a given sample size, reducing the margin of error will mean lower confidence.b.    For a specified confidence interval. Larger samples provide smaller margins of error.c.    For a given confidence level, halving the margin of error requires a sample twice as large.

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018
18th Edition
ISBN:9780079039897
Author:Carter
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Chapter10: Statistics
Section10.4: Distributions Of Data
Problem 19PFA
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Several factors are involved when creating confidence intervals, such as sample size, the level of confidence and margin of error.  Which of the following statements are true.

a.    For a given sample size, reducing the margin of error will mean lower confidence.
b.    For a specified confidence interval. Larger samples provide smaller margins of error.
c.    For a given confidence level, halving the margin of error requires a sample twice as large.

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