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.
To know more about the normal distribution, here
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Answer:
To ensure Ratification
Explanation:
Bill of Rights was added to Constitution to ensure ratification. ... To ensure ratification of the document, the Federalists offered concessions, and the First Congress proposed a Bill of Rights as protection for those fearful of a strong national government.
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Answer:
Because if his basic needs are not fulfilled he can't focus on learning and he does not have the motivation to do so.
Explanation:
Maslow's Hierarchy of Needs states that in order for an individual to succeed, he/she has to have their needs satisfied.
This is best represented by his Pyramid of Needs; in order for an individual to pass to the next stage, he/she has to have the basic needs fulfilled.
In this case, since the child comes to school hungry and without a coat, it can be deduced that his physiological needs (water, food, clothing) are not met, thus he cannot go on to the next stages in order to pass the grade.
The best source of historical evidence to describe how an events unfolded would be a first person source, or a website ending in .edu
The capital of Australia is Canberra
