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Q: When the sample size and sample standard deviation remain the same a 99 percent confidence interval for a population mean will be narrower than the 95 percent confidence interval for the mean?

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True.

The formula for margin of error is (Z*)*(Standard Deviation))/(sqrt(N)), so as N increases, the margin of error decreases. Here N went from 100 to 5000, so N has increased by 4900. This means the margin of error decreases. Since the confidence interval is the mean plus or minus the margin of error, a smaller margin of error means that the confidence interval is narrower.

It becomes narrower.

All things being equal, a wider confidence interval (CI) implies a higher confidence. The higher confidence you want, the wider the CI gets. The lower confidence you want, the narrower the CI gets The point estimate will be the same, just the margin of error value changes based on the confidence you want. The formula for the CI is your point estimate +/- E or margin of error. The "E" formula contains a value for the confidence and the higher the confidence, the larger the value hence the wider the spread. In talking about the width of the CI, it is not correct to say more or less precise. You would state something like I am 95% confident that the CI contains the true value of the mean.

Smaller

narrow is narrower than broad because it is.

The road is narrower ahead. The road is narrower ahead. The road is narrower ahead.

narrower. The new Fords are narrower than the old models.

taxonomy

Nothing 'makes' them narrower. It is a function of the body.

The adjective narrower means "more narrow" or "not as wide" in comparison to another width or a change in width.

Why some drugs have narrower spectrum than others

narrower

The usual antonym of narrower is "wider."

Traffic lanes are narrower on the north east coast because they were constructed in to be that way.

wider

epipyseal plates at each end of the bone get narrower and narrower until they disappear.

the comparison of "narrow" should be "narrower, narrowest".

Water evaporate faster in a wide glass than in a narrower glass.

Water evaporate faster in a wide glass than in a narrower glass.

narrower, narrowest

media focus on narrower audience segments.

They are narrower in the vein because the blood pressure is lower so the walls do not need to be as thick. =)

No.'Narrower' is in comparative adjective form, e.g. "This hallway is narrower than the others".The adverb form would be 'narrowly', e.g. "the train narrowly missed the man by the rails".

if you mean are stalagmites narrower than stalactites then they can both be bigger than each other because there sises are nearly allways different

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