Question 1

A Z score also may be called a(n)__________.

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Question 2

The number of standard deviations a score is above or below the mean is indicated by a(n)__________.

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Question 3

The mean,standard deviation,and variance of a sample are called sample __________.

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Question 4

A survey conducted by giving a questionnaire to the people met in a shopping mall who are willing to complete the questionnaire is an example of __________ selection.

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Question 5

The understanding of probability as the degree of certainty that a particular outcome will occur is the __________ interpretation of probability.

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Question 6

The larger group to which a researcher makes inferences based on the particular group of participants studied is a(n)__________.

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Question 7

In a normal curve,the percentage of the scores between one and two standard deviations above the mean is approximately __________.

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Question 8

When discussing a population,the symbol for the mean is __________,and the symbol for the standard deviation is __________.

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Question 9

The mean,standard deviation,and the variance of a population are called population __________.

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Question 10

The particular set of people enrolled in a study intended to be representative of a larger population is a(n)__________.

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Question 11

The percentage of scores between the mean and any particular Z score may be found in a(n)__________.

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Question 12

The formula for changing a Z score to a raw score is __________.

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Question 13

In a standardized distribution,the mean is always __________ and the standard deviation is always __________.

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Question 14

The formula for changing a raw score to a Z score is __________.

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Question 15

The type of sampling that begins with a complete list of all the members of the population is __________ sampling.

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Question 16

In a normal curve,the percentage of the scores lower than two standard deviations below the mean is approximately __________.

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Question 17

The expected relative frequency of a particular outcome is __________.

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Question 18

__________ is to M as σ is to SD.

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Question 19

In the context of probability,the result of an experiment,or virtually any event (e.g.,a coin coming up heads or that it will rain tomorrow),is a(n)__________.

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Question 20

The understanding of probability as the proportion of a particular outcome that will be obtained if an experiment is repeated many times is the __________ interpretation of probability.

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Quiz 3: Some Key Ingredients for Inferential Statistics: Z Scores,the Normal Curve, Sample Versus Population, and Probability