_______ are the categories by which data are grouped.
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Classes
In a certain city, the average 20-29 year old man is 69.6 inches tall, with a standard
deviation of 3.2 inches, while the average 20-29 year old woman is 64.3 inches tall,
with a standard deviation of 3.9 inches. Who is relatively taller, a 85 inch man or a 70
inch woman?
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The z score for the man is larger, so he is relatively taller.
,Poll being conducted at a mall to obtain a sample of the population of an entire
country.
What is the frame for this type of sampling?
Who is excluded?
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People who shop at the mall
Any person who does not shop at the mall could result in sampling bias
due to undercoverage.
What makes the range less desirable than the standard deviation as a measure of
dispersion?
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The range does not use all the observations.
Height
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Quantitative, numerical measure
Wat does it mean if a statistic is resistant?
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, Extreme values (very large or small) relative to the data do not affect its
value substantially
The ____ is the smallest value within the class and the _______ is the largest value within
the class.
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Lower class limit, Upper class limit
A ________ numerical summary of a sample. A ________ numerical summary of a population.
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Statistic, Parameter
Define statistics.
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The science of collecting, organizing, summarizing, and analyzing
information to draw a conclusion and answer questions. Providing a
measure of confidence in any conclusion.
Number of beats in a song
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Classes
In a certain city, the average 20-29 year old man is 69.6 inches tall, with a standard
deviation of 3.2 inches, while the average 20-29 year old woman is 64.3 inches tall,
with a standard deviation of 3.9 inches. Who is relatively taller, a 85 inch man or a 70
inch woman?
Give this one a try later!
The z score for the man is larger, so he is relatively taller.
,Poll being conducted at a mall to obtain a sample of the population of an entire
country.
What is the frame for this type of sampling?
Who is excluded?
Give this one a try later!
People who shop at the mall
Any person who does not shop at the mall could result in sampling bias
due to undercoverage.
What makes the range less desirable than the standard deviation as a measure of
dispersion?
Give this one a try later!
The range does not use all the observations.
Height
Give this one a try later!
Quantitative, numerical measure
Wat does it mean if a statistic is resistant?
Give this one a try later!
, Extreme values (very large or small) relative to the data do not affect its
value substantially
The ____ is the smallest value within the class and the _______ is the largest value within
the class.
Give this one a try later!
Lower class limit, Upper class limit
A ________ numerical summary of a sample. A ________ numerical summary of a population.
Give this one a try later!
Statistic, Parameter
Define statistics.
Give this one a try later!
The science of collecting, organizing, summarizing, and analyzing
information to draw a conclusion and answer questions. Providing a
measure of confidence in any conclusion.
Number of beats in a song
