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Beau
Vivi(null) is a term used by programmers to describe nothing, no, seriously, the definition of (null) is nothing, think of it like this. If you asked someone a question and they just walked away, they said (null). It's kinda hard to explain, just think of it as nothing.
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What does null set mean in math terms?
It is a set that contains no elements - an empty set.
What is null vector?
NULL VECTOR::::null vector is avector of zero magnitude and arbitrary direction the sum of a vector and its negative vector is a null vector...
What does rejecting your null hypothesis mean?
Rejecting null hypothesis means that rumour of a fact is been experimented in d lab and the reseacher later discovered that hypothesis pseudo i.e fack fact but not a theory
Discuss the various reasons that lead to the occurrence of null values in relations?
If an instance (tuple) of a relation lacks having that attribute. i.e: a student that does not have a mobile phone or an office phones. The values for these attribute for that particular student will be null. It is important to note that a null value can mean either an unknown value, or a value that exists, but not yet available.
If we reject the null hypothesis what can we conclude about the alpha risk?
If we reject the null hypothesis, we conclude that the alternative hypothesis which is the alpha risk is true. The null hypothesis is used in statistics.
