specific midterm Flashcards

(20 cards)

1
Q

what visuals use single continuous?

A

density plot and histogram

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2
Q

what visuals use single discrete?

A

bar plot

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3
Q

what visuals use discrete and continuous?

A

box plot and violin plot

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4
Q

what visuals use discrete and discrete?

A

proportion plot

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5
Q

what visuals use continuous and continuous?

A

scatter plot

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6
Q

what is normative research?

A

answers questions about how the world ought to be

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7
Q

what is empiracal research?

A

answers questions about how the world is

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8
Q

what is a confounding variable?

A

multiple thigns that oculd be effecting the results

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9
Q

if skewed left use…

A

either mean or median

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10
Q

if skewed right use…

A

mean

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11
Q

what is affected by outliers?

A

mean

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12
Q
A
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13
Q

what is the difference between a histogram and frequency distribution?

A

histogram shows count and frequency distribution shows probability of falling in a range

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14
Q

if data is continuous w/ more than 10 categories use…

A

histogram

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15
Q

z scores are used to…

A

find probability of how far above/below mean a value is

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16
Q

what is postive kurtosis?

A

the tail is fatter

17
Q

what is negetive kurtosis?

A

the tail is thinner

18
Q

what is a frequency distribution?

A

how often each value appears in a single variable

19
Q

what is a summary statistics table?

A

provides descriptive statistics and can be used in any type of data