Goodness Fit Test For Binomial Flashcards

1
Q

Trying to model if data can fit binomial, and as they haven’t given p, need to estimate our selves. How to do?

A

Remember eldected number binomial = np= which we estimate as MEAN
- find mean using calculator
- now divide by n which is total NUMBER (not with 0)
- this is p now

And x - B( n, p)

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2
Q

Okay now we need executed frewuencies, how easiest to do so

A

Probability in a binomial can use calculator, but easiest is prolly manual and switch numbers

Remember p(x=r) = ncr x r ^succes x n-r ^failure
MULTIPLY BY N

Now change r values and you’ll have all expected frewuecies

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3
Q

What is n in these cases

A

It’s the thing Esch thing is doing , so if Esch hospital doing 30 n is 30

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4
Q

Now remember to do final colour as MAXIMUM TO THE END N

A

But this time using binomial CD instead of poison

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