Estimation and significance test + p values Flashcards

1
Q

How do you calculate standard error of a sample

A

SE = SD/sqrt(n)

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2
Q

How do you work out confidence intervals for a sample?

A

CI = mean +- 1.96(standard error)

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3
Q

How do you work out standard error of a proportion?

A

sqrt( p( (1-p)/n )

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4
Q

How do you work out confidence intervals for a proportion?

A

CI = proportion +- 1.96(standard error)

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