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In the construction of confidence interval if all other quantities are unchanged an increase in the sample size will lead to a wider interval is this statement is true or false?
True
Is it true that the wider the confidence interval the less precise is the estimate?
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.
Which is wider 8mm or 516 in?
8mm is a little wider.
What relationship is Sample size and the confidence level width have a?
Sample size and confidence level width are inversely related. As the sample size increases, the width of the confidence interval decreases, resulting in a more precise estimate of the population parameter. Conversely, a smaller sample size leads to a wider confidence interval, reflecting greater uncertainty about the estimate. This relationship emphasizes the importance of an adequate sample size in achieving reliable statistical conclusions.
Comparative degree of widest?
The comparative degree is wider.
When the confidence interval is wider than a prediction interval?
That, my friend, is not a question.
Is a 95 percent confidence interval for a mean wider than a 99 percent confidence interval?
No, it is not. A 99% confidence interval would be wider. Best regards, NS
What happens to the confidence interval if you increase the confidence level?
The confidence interval becomes wider.
Is it true that the larger the standard deviation the wider the confidence interval?
no
In the construction of confidence interval if all other quantities are unchanged an increase in the sample size will lead to a wider interval is this statement is true or false?
True
What effect increasing only the population standard deviation will have on the width of the confidence interval?
It will make it wider.
Where can I find advice on credit scores for my student loan consolidation?
A good site for finding information regarding student loan consolidation and credit scores in relation to that would be at www.finaid.org. They state that a credit score of 650 or lower is regarded as "subprime", but lenders have been experimenting with accepting a wider range of credit scores. Good luck!
What happens to the confidence interval as the standard deviation of a distribution increases?
The standard deviation is used in the numerator of the margin of error calculation. As the standard deviation increases, the margin of error increases; therefore the confidence interval width increases. So, the confidence interval gets wider.
How wide of a mirror can be hung over a 74 inch buffet table?
74 Inches! If there is a grouping of frames, you could go wider than the buffet table, as long as there was balance in the rest of the room.
Will The finite population correction factor lead to a wider confidence interval?
No since it is used to reduce the variance of an estimate in the case that the population is finite and we use a simple random sample.
Which measure would you use to fine the spread of marks in an examination?
The measure commonly used to find the spread of marks in an examination is the standard deviation. It provides a numerical value that indicates how spread out the scores are from the mean score. A larger standard deviation suggests a wider spread of scores, while a smaller standard deviation indicates a more clustered distribution of scores.
Is it true that the wider the confidence interval the less precise is the estimate?
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.
