symbols Flashcards by Unknown Unknown

Q

number of members (sample)

A

n

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Q

number of members (population)

A

N

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Q

sample mean

A

x̅

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Q

sample population

A

μ

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Q

standard deviation of a sample

A

s

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Q

standards deviation of a population

A

σ

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Q

sample proportion

A

p̂

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Q

population proportion

A

p

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Q

categorical ordinal

A

groupings that are ranked (severe, weak)

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Q

categorical nominal

A

groupings with no hierarchy

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Q

quantitative discrete

A

finite options (integer numbers - 1,2,3)

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Q

quantitative continuous

A

continuous, decimals points can be used

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Q

what area does normal distribution cover?

A

Everything to the left of x

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Q

normal distribution excel formula

A

NORM.DIST(X, MEAN, ST. DEV, TRUE)

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Q

normal distribution to find the area to the right

A

1-norm.dist(x, mean, st.dev, true)

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