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ECON 202 > 202 Exam 1 > Flashcards

202 Exam 1 Flashcards

1
Q

Percentage Final is worth

A

30

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2
Q

Percent exams are worth

A

24

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3
Q

How many exams are taken

A

4

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4
Q

Lecture percent

A

10

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5
Q

How many lectures taken

A

10

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6
Q

Homework percent

A

15

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7
Q

How many homework taken

A

5

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8
Q

Project percent

A

18

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9
Q

How many project taken

A

9

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10
Q

Packet percent

A

3

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11
Q

Methods organizing and summarizing data in an easily understandable way

A

Descriptive Statistics

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12
Q

Conclusion drawn from population using sample data

A

Inferential Statistics

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13
Q

Numeric data generally counted

A

Discrete

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14
Q

Population from which we draw inference

A

Targeted Population

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15
Q

Actual population sampled

A

Sample Population

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16
Q

Randomly selected from group

A

Simple Random Sample

17
Q

Population put into stratas, randomly selected from strata

A

Stratified Random Sample

18
Q

Entire groups selected

A

Cluster Sample

19
Q

Least reliable sampling result

A

Convenience Sample

20
Q

Ex: picking every 6th person

A

Systematic Sample

21
Q

Natural error due to difference between population and sample

A

Sampling Error

22
Q

Responses skewed because of social pressure

A

Behavioral Effects

23
Q

Responses not obtained

A

Nonresponse Error

24
Q

Percent of observations falling within 1 SD of the mean

A

68

25
Q

Percent of observations falling within 2 SD of the mean

A

95

26
Q

Percent of observations falling within 3 SD of the mean

A

About 100

27
Q

Proportion of observations in that or earlier classes

A

Cumulative Relative Frequency

28
Q

Proportion of observations in each class

A

Relative frequency

29
Q

When covariance is negative…

A

X and Y are negatively related

30
Q

When covariance is positive…

A

X and Y are positively related

31
Q

When covariance is 0

A

X and Y are unrelated linerally

32
Q
A

ECON 202 (4 decks)

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