vera_ewing
  • vera_ewing
Please explain how to use the mean and standard deviation of a normal distribution to determine the top 5% of the population.
Mathematics
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vera_ewing
  • vera_ewing
Please explain how to use the mean and standard deviation of a normal distribution to determine the top 5% of the population.
Mathematics
chestercat
  • chestercat
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At vero eos et accusamus et iusto odio dignissimos ducimus qui blanditiis praesentium voluptatum deleniti atque corrupti quos dolores et quas molestias excepturi sint occaecati cupiditate non provident, similique sunt in culpa qui officia deserunt mollitia animi, id est laborum et dolorum fuga. Et harum quidem rerum facilis est et expedita distinctio. Nam libero tempore, cum soluta nobis est eligendi optio cumque nihil impedit quo minus id quod maxime placeat facere possimus, omnis voluptas assumenda est, omnis dolor repellendus. Itaque earum rerum hic tenetur a sapiente delectus, ut aut reiciendis voluptatibus maiores alias consequatur aut perferendis doloribus asperiores repellat.

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dan815
  • dan815
do you know how to read off the Z tables
dan815
  • dan815
you have to find the Z score for the 95% tile
anonymous
  • anonymous
mean=all numbers added together divide total amount of numbers

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anonymous
  • anonymous
Statistics, correct? You need to use your graphing calculator and do this: finding z-score, you use invnorm (under distr button... on my calc, the TI-84 plus, it is option number 3.. it may be different for you though) so then you do this 2nd, VARS, invnorm and enter 0.95 you should get a graph of a sort :) hope that helps somewhat! it's a bit odd explaining stats via writing haha it's tricky but if you study the keystrokes, it will make more sense:)

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