A confidence interval for a mean is (-5, 10). Thisinterval would be wider ifThe investigator wanted to be more confidentof their results, or there was more information.The sample mean was larger or the variabilityof the data was larger.The variability of the data was larger, or theinvestigator wanted to be more confident.The variability of the data was small, or thesample mean was larger.O None of the above.

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Statistics

main, the

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.4: Distributions Of Data

Problem 19PFA

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Question

A confidence interval for a mean is (-5, 10). This
interval would be wider if
The investigator wanted to be more confident
of their results, or there was more information.
The sample mean was larger or the variability
of the data was larger.
The variability of the data was larger, or the
investigator wanted to be more confident.
The variability of the data was small, or the
sample mean was larger.
O None of the above.

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