Search for tag: "sample variance"

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Sampling from a Normal Distribution duration 47 minutes 27 seconds Sampling from a Normal Distribution Sampling from a Normal Distribution	Sampling from a Normal Distribution In previous lessons, properties of samples and of statistics computed on a random sample were discussed under a very general framework; in other words, under the idea that a random sample is selected… normal population linear combinations of normal random variables chi-squared distribution student's t distribution snedecor's f distribution independent sample mean sample variance From Jane Harvill 87 plays 0
Sums of Random Variables from a Random Sample duration 36 minutes 55 seconds Sums of Random Variables from a Random Sample Sums of Random Variables from a Random Sample	Sums of Random Variables from a Random Sample When a random sample is drawn, some summary of the values is usually computed. Any well-defined summary may be expressed mathematically as a function of an n-dimension vector. The domain of that… random sample iid statistic sampling distribution unbiased estimator location-scale family exponential family sample mean sample variance sample standard deviation From Jane Harvill 184 plays 0

duration 47 minutes 27 seconds

Sampling from a Normal Distribution

In previous lessons, properties of samples and of statistics computed on a random sample were discussed under a very general framework; in other words, under the idea that a random sample is selected…

normal population

linear combinations of normal random variables

chi-squared distribution

student's t distribution

snedecor's f distribution

independent

sample mean

sample variance

From Jane Harvill 87 plays 0

Sums of Random Variables from a Random Sample

duration 36 minutes 55 seconds

Sums of Random Variables from a Random Sample

When a random sample is drawn, some summary of the values is usually computed. Any well-defined summary may be expressed mathematically as a function of an n-dimension vector. The domain of that…

random sample

iid

statistic

sampling distribution

unbiased estimator

location-scale family

exponential family

sample mean

sample variance

sample standard deviation

From Jane Harvill 184 plays 0