Probability and statistics
Use ONLY words (no formulas, no equations, and no symbols):
- What does a hypothesis test do?
- How do you determine what is the null hypothesis and what is the alternative hypothesis?
- What are the primary types of hypotheses tests? For what is each used/What determines which one to use in a particular situation? What type of test
statistic is used for each? (You may put the answers for this into a table).
- What is a p-value?
- What is critical-value?
- What does the confidence interval tell you?
Sample Solution
Toward the start of Meditation Two, Descartes is uncertain of how to get away from the uncertainty he ends up suffocating in because of the earlier day’s questions. He begins by thinking about whether he can delude himself. Apparently he can question his detects, regardless of whether he is dreaming and whether 2+3=5, yet he can’t question the way that he is thinking. In spite of the fact that his considerations might be misdirected, he is convinced that he exists, only by having musings by any means. He has subsequently introduced the Cogito as a contention for his reality. Descartes guarantees that despite the fact that the devil might be deluding him, he should exist so as to be beguiled. In the event that he is questioning, he is thinking, thus long as he might suspect, he is something, and that something exists. Each time Descartes communicates or considers the words ‘personality aggregate, sense of self existo’, it is fundamentally valid. So far, Descartes has demonstrated that he exists however has not examined finally what it is that exists. He can’t yield that his body exists, as the three rushes of uncertainty from the main contemplation despite everything apply. The main thing now Descartes can guarantee, is that he is something, and that something is a reasoning thing. In any case, Descartes has been reprimanded for asserting a lot without having represented it in the Cogito. He has just figured out how to show that there is thinking going on, rather than a thing having those contemplations. Right now, Descartes is just permitted to state that there are considerations occurring at the time they are being thought, so this proposes he ought not allude to himself as a ‘suspecting thing’, as he has not demonstrated that those musings have a place with him. The Lichtenberg Objection takes a comparative point by contending that the main thing demonstrated by the Cogito is that there is thinking occurring. It recommends that the musings don’t require a scholar, likewise that the occurrence of downpour doesn’t require a ‘rainer’. I take this to be an insufficient analysis as the relationship expect that the pith of downpour is equivalent to that of contemplations. In any case, it appears that considerations are comparative basically to that of strolling. Strolling requires a walker and contemplations require a scholar. Descartes begins the 6th contemplation off by building up his body and the material world. To do this, he clarifies the distinction among creative mind and keenness, and how creative mind requires more exertion. Creative mind isn’t a basic piece of the ‘thinking thing’ that he believes himself to be, so on the off chance that he had a body, it would clarify the presence of creative mind. He reasons that almost certainly, he has a body which encounters the outer world. He at that point comes back to the Cogito to demonstrate that in addition to the fact that he is a reasoning thing, however that he has a psyche which is independent to his body. As an extreme dualist, he accepts that the brain has totally various properties to the psyche, which thusly, prompts him to accept that they can’t be indeed the very same thing. The body is a distinct, unessential and broadened substance though the brain is sure, fundamental and indissoluble. With different strategies, Descartes has attempted to set up that in addition to the fact that his bodies exist, however his brain does as well. The Cogito has attempted to demonstrate that he is a ‘thinking thing’ which was then evolved upon to demonstrate the presence of a body and psyche.>
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