https://www.youtube.com/watch?v=uqZiIO0YI7Y&feature=iv&src_vid=XrJjfDUzD7M&annot
ID: 3281904 • Letter: H
Question
https://www.youtube.com/watch?v=uqZiIO0YI7Y&feature=iv&src_vid=XrJjfDUzD7M&annotation_id=annotation_1871640555
Do you think this information is based on statistical data? Why or why not? In which scenario(s) would sampling from a normally distributed population be used. Which scenario(s) would non-normally distributed sample populations be used? Could everyone be included in all the results? What are some of the factors that might have to be considered?
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Explanation / Answer
answer:
Yes the in order describe in the video appear to be base on arithmetical data. It has been composed from a variety of source and also contrast has be made ( in terms of country - US, India and China ).
• The entire thing appear to be from a arithmetical point of view. If the fundamental sharing is bell wrought then we can example from a usual sharing. in fact normal sharing has the possessions to create from low principles, then attainment climax at a time and them lessening down and it happen in a symmetric way.
• If the fundamental sharing has this possessions, then we can example the data from a usual distuibution. Example weight of a person etc. Places where add to/reduce is as per a figure of other distributions like exponential etc., then we use non-normal distribution.
• For example spread of bacteria over a given period in times of epidemic can be considered as an exponential sharing - which is non-normal.
• From statisitcal tip of view most situation can be modelled from side to side also usual or non-normal distributions. though there are situation where we do not think any fundamental sharing for the changeable beneath learn.
• In thsoe situation, we can can use non-parametric methods which is neither usual nor non-normal sharing.
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