Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
Statistics 100 Final Review Questions and
Answers 100% Pass
We record the zip codes of newly admitted students. How should we treat this data? - ANSWER✔✔-As
categorical data
We record the wavelengths of light reflecting off of several bird-of-paradise feathers. How should we
treat this data? - ANSWER✔✔-as numeric data
We record the genus of every tree identified along a transect. How should we treat this data? -
ANSWER✔✔-as categorical data
The height of bars in a histogram represent frequencies
T or F - ANSWER✔✔-False
Relative frequencies are equal to absolute frequencies divided by the number of measurements.
T or F - ANSWER✔✔-True
More than one histogram may be drawn for a given set of numerical data.
T or F - ANSWER✔✔-True
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,Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
Mosaic plots use areas to represent frequencies, while histograms use heights.
T or F - ANSWER✔✔-True
The standard deviation measures spread.
T or F - ANSWER✔✔-True
Whenever one data set has a mean that is larger than another data set, it also has a standard deviation
that is larger.
T or F - ANSWER✔✔-False
If a cylindrically shaped flagellar base extends to a depth of 18.1 nm (standardized value -0.31) into the
cytoplasm below a plasma membrane, then this depth is, relative to the average (mean): - ANSWER✔✔-
below average
If a cylindrically shaped flagellar base extends to a depth of 18.1 nm (standardized value -0.31) into the
cytoplasm below a plasma membrane, then the standard deviation of the depths is: - ANSWER✔✔-not
enough information given
Which best describes the proportion of standardized measurements that are between -2 and 2, if the
data has a bell shaped distribution?
Approx 95%
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At least 88%
Atleast 75%
Approx. 68% - ANSWER✔✔-Approx. 95%
Which best describes the proportion of standardized measurements that are between -3 and 3?
Approx. 5%
At least 88%
Approx. 68%
Approx 95% - ANSWER✔✔-At least 88%
When a left-skewed data set is standardized, the standardized values will have a median that is greater
than 0.
T or F - ANSWER✔✔-True
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Statistics 100 Final Review Questions and
Answers 100% Pass
We record the zip codes of newly admitted students. How should we treat this data? - ANSWER✔✔-As
categorical data
We record the wavelengths of light reflecting off of several bird-of-paradise feathers. How should we
treat this data? - ANSWER✔✔-as numeric data
We record the genus of every tree identified along a transect. How should we treat this data? -
ANSWER✔✔-as categorical data
The height of bars in a histogram represent frequencies
T or F - ANSWER✔✔-False
Relative frequencies are equal to absolute frequencies divided by the number of measurements.
T or F - ANSWER✔✔-True
More than one histogram may be drawn for a given set of numerical data.
T or F - ANSWER✔✔-True
Copyright ©Stuvia International BV 2010-2024 Page 1/27
,Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
Mosaic plots use areas to represent frequencies, while histograms use heights.
T or F - ANSWER✔✔-True
The standard deviation measures spread.
T or F - ANSWER✔✔-True
Whenever one data set has a mean that is larger than another data set, it also has a standard deviation
that is larger.
T or F - ANSWER✔✔-False
If a cylindrically shaped flagellar base extends to a depth of 18.1 nm (standardized value -0.31) into the
cytoplasm below a plasma membrane, then this depth is, relative to the average (mean): - ANSWER✔✔-
below average
If a cylindrically shaped flagellar base extends to a depth of 18.1 nm (standardized value -0.31) into the
cytoplasm below a plasma membrane, then the standard deviation of the depths is: - ANSWER✔✔-not
enough information given
Which best describes the proportion of standardized measurements that are between -2 and 2, if the
data has a bell shaped distribution?
Approx 95%
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, Copyright © KAYLIN 2024/2025 ACADEMIC YEAR. ALL RIGHTS RESERVED FIRST PUBLISH NOVEMBER, 2024
At least 88%
Atleast 75%
Approx. 68% - ANSWER✔✔-Approx. 95%
Which best describes the proportion of standardized measurements that are between -3 and 3?
Approx. 5%
At least 88%
Approx. 68%
Approx 95% - ANSWER✔✔-At least 88%
When a left-skewed data set is standardized, the standardized values will have a median that is greater
than 0.
T or F - ANSWER✔✔-True
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