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What does the z-value in statistics have to do with the level of confidence?
Wiki User
∙ 10y ago
A z-value by itself, has nothing to do with level of confidence.
A z-value can be used to calculate probabilities of observing a result that is at least as far from the mean. That probability measure can be used to calculate the level of confidence but you need to be careful about using the one-tailed or two-tailed measures - as appropriate.
A z-value by itself, has nothing to do with level of confidence.
A z-value can be used to calculate probabilities of observing a result that is at least as far from the mean. That probability measure can be used to calculate the level of confidence but you need to be careful about using the one-tailed or two-tailed measures - as appropriate.
A z-value by itself, has nothing to do with level of confidence.
A z-value can be used to calculate probabilities of observing a result that is at least as far from the mean. That probability measure can be used to calculate the level of confidence but you need to be careful about using the one-tailed or two-tailed measures - as appropriate.
A z-value by itself, has nothing to do with level of confidence.
A z-value can be used to calculate probabilities of observing a result that is at least as far from the mean. That probability measure can be used to calculate the level of confidence but you need to be careful about using the one-tailed or two-tailed measures - as appropriate.
Wiki User
∙ 10y ago
Wiki User
∙ 10y agoA z-value by itself, has nothing to do with level of confidence.
A z-value can be used to calculate probabilities of observing a result that is at least as far from the mean. That probability measure can be used to calculate the level of confidence but you need to be careful about using the one-tailed or two-tailed measures - as appropriate.
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If you have a 99 confidence interval what would your confidence level and alpha for it be?
Confidence level 99%, and alpha = 1%.
What confidence level has become the most used or traditional confidence level among business researchers?
95% confidence level is most popular
How do you calculate confidence interval?
Confidence intervals may be calculated for any statistics, but the most common statistics for which CI's are computed are mean, proportion and standard deviation. I have include a link, which contains a worked out example for the confidence interval of a mean.
Why do you learn statistics for accounting?
Statistics is needed for accounting if you become an auditor. As an auditor you need to essentially test a company's financial records and, since it's impractical to go through absolutely everything, you need to pick a sample size that will give you a result at a certain confidence level.
What happens to the width of the confidence interval if you decrease the confidence level?
The width reduces.
What are the Statistics in pathology?
confidence intervals
If you have a 99 confidence interval what would your confidence level and alpha for it be?
Confidence level 99%, and alpha = 1%.
How do you calculate confidence interval?
Confidence intervals may be calculated for any statistics, but the most common statistics for which CI's are computed are mean, proportion and standard deviation. I have include a link, which contains a worked out example for the confidence interval of a mean.
What confidence level has become the most used or traditional confidence level among business researchers?
95% confidence level is most popular
Which level of measurement is the highest in statistics?
Ratio level of measurement is the highest in statistics.
What happens to the confidence interval if you increase the confidence level?
The confidence interval becomes wider.
What is confidence associated with an interval estimate is called the?
confidence level
This is a measurement of an arguments strength where the higher the confidence level the more likely the conclusion is true?
confidence level
What is a measurement of an argument strength where the higher the confidence level the more likely the conclusion is true?
Confidence level
Why do you learn statistics for accounting?
Statistics is needed for accounting if you become an auditor. As an auditor you need to essentially test a company's financial records and, since it's impractical to go through absolutely everything, you need to pick a sample size that will give you a result at a certain confidence level.
True or False The higher the confidence level the narrower the confidence interval?
True.
What happens to the width of the confidence interval if you decrease the confidence level?
The width reduces.
