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

Updated: 4/28/2022

Wiki User

14y ago

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

Wiki User

14y ago

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Q: If quartile deviation is 24. find mean deviation and standard deviation?
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### Why we calculate standard deviation and quartile deviation?

we calculate standard deviation to find the avg of the difference of all values from mean.,

### What is mean deviation and why is quartile deviation better than mean deviation?

What is mean deviation and why is quartile deviation better than mean deviation?

### Relation between quartile deviation and mean deviation?

mean deviation =(4/5)quartile deviation

yes

### What does 2 mean when the means 0?

It is not possible to answer without any information on the spread (range, inter-quartile range, mean absolute deviation, standard deviation or variance).

### How do you calculate the third quartile for a mean of 110 and a standard deviation of 15?

If this is the only information you have, the answer would be somewhere around 125. Usually, you would find the third quartile by first finding the median. Then find the median of all of the numbers between the median and the largest number, which is the third quartile.

Standard error, standard deviation, variance, range, inter-quartile range as well as measures based on other percentiles.

### Which measure of variation is appropriate when using the mean and which is appropriate when using the median?

When using the mean: the variance or standard deviation. When using the median: the range or inter-quartile range.

### How do you find two standard deviations above a mean?

It is mean + 2*standard deviation.

### How do you find deviation mean?

There is no such thing. Maybe your professor meant , Standard Deviation, The Mean. (2 different things.)

### In Statistics what is a quantity that measures the variation of a population or sample relative to its mean?

Inter-quartile range, other percentile ranges, mean absolute variation, variance, standard error, standard deviation are all possible measures.

### Why would someone need a standard deviation calculator?

A standard deviation calculator allows the user to find the mean spread away from the mean in a statistical environment. Most users needing to find the standard deviation are in the statistics field. Usually, the data set will be given and must be typed into the calculator. The standard deviation calculator will then give the standard deviation of the data. In order to find the variance of the data, simply square the answer.