As the degrees of freedom increase, the t distribution approaches the "normal distribution".
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What is normal distribution?</h3>
For independent, random variables, the normal distribution, often referred as the Gaussian distribution, represents the most significant probability distribution in statistics. Most people are familiar with the bell-shaped curve found in statistical reports.
Some key features regarding the normal distribution are-
- A normal distribution is a probability distribution that is symmetrical around the mean, with most observations clustering around the central peak and probabilities tapering off equally in both directions.
- Data points in both distribution tails are similarly uncommon.
- Whereas the normal distribution appears symmetrical, it is not the only symmetrical distribution.
- The Student's t, Cauchy, & logistic distributions, for example, are symmetric.
- The normal distribution, like any other probability distribution, defines the how values of a variable is distributed.
- Because it accurately captures the range of values for many natural occurrences, it's the most essential probability distribution in statistics.
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conditioned stimulus
In classical conditioning<span>, a conditioned stimulus is one which is previously a neutral stimulus, which, upon becoming associated with an unconditioned stimulus, eventually triggers a conditioned response.
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An unconditioned stimulus is one which <span>unconditionally, naturally, and automatically elicits or triggers a(n) (unconditioned) response. For example, the smell of food usually triggers hunger.
In contrast, a conditioned stimulus is one which initially does not trigger the same response as the unconditioned stimulus, but because of association, eventually triggers the same response as well. The response to a conditioned stimulus is a conditioned response.
For example, in the famous experiment by Ivan Pavlov, the sound of a bell was paired with the serving of food to dogs. Dogs naturally salivate upon smelling/seeing the food. However, later on, even without the food, when the dogs heard the sound of the bell, they began salivating. The sound of the bell is the conditioned stimulus, while the salivation of the dog in response to the conditioned stimulus, the bell, is called a conditioned response. </span>
Answer:
All of the approximately 2,000 federal government agencies, divisions, departments, and commissions are examples of bureaucracies. The most visible of those bureaucracies include the Social Security Administration, the Internal Revenue Service, and the Veterans Benefits Administration.
<span>Approximately 11 percent of those in the US feel sexual orientation discrimination is allowable. This shows that the trend is moving in a direction that is more understanding of human diversity and how all persons should be treated with an equal level of dignity in their daily endeavors.</span>
Answer:
A some throwbacks for a direct democracy is explained below in details.
Explanation:
In a direct democracy, characters choose management without any mediator. Depending on the appropriate system in practice, direct democracy might necessitate transient executive resolutions, the application of sortition, composing laws, straight selecting or removing executives, and conducting hearings.
