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hssv0202t_powerpres - Deer Creek High School
hssv0202t_powerpres - Deer Creek High School

... • Statistics is actually a branch of mathematics that provides scientists with important tools for analyzing and understanding their data. ...
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... • We are often influenced by the knowledge of how patterns are modeled and recognized in nature when we develop pattern recognition algorithms • Research on machine perception also helps us gain deeper understanding and appreciation for pattern recognition systems in nature • Yet, we may also apply ...
Statistical hypothesis testing – Inferential statistics I.
Statistical hypothesis testing – Inferential statistics I.

... • H0: a statement which usually claims a zero difference or relationship against the H1 (called ‘null hypothesis’). E.g: „The mean weight of males and females are not different.” ...
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... A block is a group of experimental units that are known before the experiment to be similar in some way that is expected to affect the response to the treatments. In a block design, the random assignment of experimental units to treatments is carried out separately within each block. Form blocks bas ...
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4.1 Two Types of Random Variables

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Sampling Distributions and the Central Limit Theorem

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PROBABILITY EVENTS - Gordon State College

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... for all B ∈ B. We will often write PX (B) as P(X ∈ B), and is called the distribution of X. If X = {x1 , . . . , xn }, then we say that X is a discrete random variable. The distribution of X is then also known as the probability mass function (pmf) of X and is fully defined by (pX (x1 ), . . . , pX ...
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Lecture 7 10122016

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Bayes1

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History of statistics

The History of statistics can be said to start around 1749 although, over time, there have been changes to the interpretation of the word statistics. In early times, the meaning was restricted to information about states. This was later extended to include all collections of information of all types, and later still it was extended to include the analysis and interpretation of such data. In modern terms, ""statistics"" means both sets of collected information, as in national accounts and temperature records, and analytical work which requires statistical inference.Statistical activities are often associated with models expressed using probabilities, and require probability theory for them to be put on a firm theoretical basis: see History of probability.A number of statistical concepts have had an important impact on a wide range of sciences. These include the design of experiments and approaches to statistical inference such as Bayesian inference, each of which can be considered to have their own sequence in the development of the ideas underlying modern statistics.
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