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The mean.

The mean.

The mean.

The mean.

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Wiki User

βˆ™ 11y ago
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Wiki User

βˆ™ 11y ago

The mean.

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Anonymous

Lvl 1
βˆ™ 4y ago

The cumulative up to the mean plus 1 standard deviation for a normal distribution -not any distribution- 84%.

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Anonymous

Lvl 1
βˆ™ 4y ago

I DONT KNOW

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Dana Gray

Lvl 1
βˆ™ 4y ago
you shouldn't answer if you don't know

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Q: What is the reference point of a standard deviation?
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Related questions

How do you apply standard deviation to normal curve?

The distance between the middle and the inflection point is the standard deviation.


The standard deviation of a point estimator is called the?

standard error


How much is 84 percentile equals mean plus 1 standard deviation or mean plus 1.4 standard deviation. Can you give me reference also please?

The cumulative probability up to the mean plus 1 standard deviation for a Normal distribution - not any distribution - is 84%. The reference is any table (or on-line version) of z-scores for the standard normal distribution.


How do you calculate standard deviation with the help of z-score?

A z-score cannot help calculate standard deviation. In fact the very point of z-scores is to remove any contribution from the mean or standard deviation.


How is standard deviation useful?

It's used in determining how far from the standard (average) a certain item or data point happen to be. (Ie, one standard deviation; two standard deviations, etc.)


What are the assumptions of standard deviation?

The standard deviation is the standard deviation! Its calculation requires no assumption.


What is the impact of the new point on the standard deviation?

The answer depends on the value of the new point. If the new value is near the mean then the new standard deviation (SD) will be smaller, if it is far away, the new SD will be larger.


What does the sample standard deviation best estimate?

The standard deviation of the population. the standard deviation of the population.


What is standard deviation of 155.45?

The standard deviation is 0.


If quartile deviation is 24. find mean deviation and standard deviation?

Information is not sufficient to find mean deviation and standard deviation.


What is the relationship between standard deviation and variance?

Standard deviation is the square root of the variance.


What is the standard deviation of a standard normal distribution?

The standard deviation in a standard normal distribution is 1.