###### Asked in Math and Arithmetic

Math and Arithmetic

# What is the mean absolute deviation of 16 19 20 22 26 34 35 39?

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## Related Questions

###### Asked in Statistics

### What is the purpose of finding the standard deviation of a data set?

The purpose of obtaining the standard deviation is to measure
the dispersion data has from the mean. Data sets can be widely
dispersed, or narrowly dispersed. The standard deviation measures
the degree of dispersion. Each standard deviation has a percentage
probability that a single datum will fall within that distance from
the mean.
One standard deviation of a normal distribution contains 66.67%
of all data in a particular data set. Therefore, any single datum
in the data has a 66.67% chance of falling within one standard
deviation from the mean. 95% of all data in the data set will fall
within two standard deviations of the mean. So, how does this help
us in the real world? Well, I will use the world of
finance/investments to illustrate real world application.
In finance, we use the standard deviation and variance to
measure risk of a particular investment. Assume the mean is 15%.
That would indicate that we expect to earn a 15% return on an
investment. However, we never earn what we expect, so we use the
standard deviation to measure the likelihood the expected return
will fall away from that expected return (or mean). If the standard
deviation is 2%, we have a 66.67% chance the return will actually
be between 13% and 17%. We expect a 95% chance that the return on
the investment will yield an 11% to 19% return. The larger the
standard deviation, the greater the risk involved with a particular
investment. That is a real world example of how we use the standard
deviation to measure risk, and expected return on an
investment.

###### Asked in Algebra

### How do you solve 5x-19equals16?

###### Asked in Animated TV Series, Naruto

### Is saskaue 19?

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