Z Score Flashcards

1
Q

Continuous uniform distribution y=?
What type of areas are under the curve?

A

y=1/d-c height
Rectangle

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2
Q

Pdf=?
Median,miu(average)
Sigma(variance)
Formulas

A

Median=(c+d)/2=miu
Sigma^2=(d-c)^2 /12

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3
Q

Normal distribution z formula

A

Z=(x-miu)/sigma

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4
Q

Binomial random variable x (miu z and sigma) formulas

A

Miu=np
Sigma=np(1-p)
Z=(x-miu)/sigma

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5
Q

What is z-score?

A

It measures how far that individual score deviates from the mean in terms of standart deviation.

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6
Q

Z and x equations in z-score

A

Z=(x-miu)/sigma
X=miu+zsigma

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7
Q

Random sample mean and standart deviation equations

A

Miu(mean)=np
Sigma=sqrt(npq)

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8
Q
A
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