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For data sets having a normal, bell-shaped distribution, the following properties apply: About 68% of all values fall within 1 standard deviation of the mean About 95% of all values fall within 2 standard deviation of the mean About 99.7% of all values fall within 3 standard deviation of the mean.

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0An empirical rule indicates a probability distribution function for a variable which is based on repeated trials.

Yes, except that if you know that the distribution is uniform there is little point in using the empirical rule.

No.The empirical rule is a good estimate of the spread of the data given the mean and standard deviation of a data set that follows the normal distribution.If you you have a data set with 10 values, perhaps all 10 the same, you clearly cannot use the empirical rule.

The empirical rule can only be used for a normal distribution, so I will assume you are referring to a normal distribution. Chebyshev's theorem can be used for any distribution. The empirical rule is more accurate than Chebyshev's theorem for a normal distribution. For 2 standard deviations (sd) from the mean, the empirical rule says 95% of the data are within that, and Chebyshev's theorem says 1 - 1/2^2 = 1 - 1/4 = 3/4 or 75% of the data are within that. From the standard normal distribution chart, the answer for 2 sd from the mean is 95.44% So, as you can see the empirical rule is more accurate.

Approx 95% of the observations.

The empirical rule is 68 - 95 - 99.7. 68% is the area for +/- 1 standard deviation (SD) from the mean, 95% is the area for +/- 2 SD from the mean; and 99.7% is the area for +/- 3 SD from the mean.

Empirical and theoretical.Empirical and theoretical.Empirical and theoretical.Empirical and theoretical.

See: http://wiki.answers.com/Q/What_is_the_difference_between_Chebyshevs_inequality_and_empirical_rule_in_terms_of_skewness

50%

It is experimental or empirical probability.It is experimental or empirical probability.It is experimental or empirical probability.It is experimental or empirical probability.

me la pelas

Molecular. The empirical formula would simply be S.

The Exclusionary Rule is not explicity menshioned in the U.S. Constitution. There is no empirical evidence to indicate that the Exclusionary Rule actually deters police misconduct. A recent study indicates that out of 150,000 cases 30,000 criminals managed to escape legal problems due to exclusionary rule.

IQ scores for adult students age 25-45 have a bell-shaped distribution with a mean of 100 and a standard deviation of 15.sing the Empirical Rule, what percentage of adult students age 25-45 have IQ scores between 70 and 130?

empirical research or empirical study means: data has already been collected and analyzed.

Is qualitative research empirical?

Yes, this is an empirical formula.

It is an empirical formula.

Tagalog of empirical: impiryo

C2N2H8 is an empirical formula !

empirical liarature is a English subject

Empirical: K2MnO4

SO3 is an empirical formula !

C4H2O is the empirical formula

Empirical: ZnBr2O6

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