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EDF 6407 Education Stats Exam 1 With Complete Solutions
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EDF 6407 Education Stats Exam 1 WithComplete Solutions
All the following statements are true about a variable EXCEPT A variable usually takes
on different values. A variable may be classified by their role in research. A variable may
be classified by their level of measurement. If a study consists of all college graduates,
then educational level is a variable. - ANSWER - If a study consists of all college
graduates, then educational level is a variable.
true or false. The independent variable for the study "Do men enjoy viewing violent
movies more than women?" is the "enjoyment of viewing violent movies". - ANSWER
False its gender
How many levels does the independent variable have in the study? "Do men enjoy
viewing violent movies more than women?"
1
2
3
4 - ANSWER 2
true or false The independent variable of the following study, "Do students working
full-time experience more stress than students working half-time, or unemployed
students?" is working time. - ANSWER True
The dependent variable of the following study, "Do students working full-time
experience more stress than students working half-time, or unemployed students?" is
"working time".
True
False - ANSWER false
,How many different levels does the independent variable being studied have?"Do
full-time working students have a greater amount of stress compared to half-time
working students and unemployed students?"
1
2
3
4 - ANSWER 3
For an investigation on the topic "Are men more aggressive than women?", the two
possible values to take the gender variable under study are male and female.
True
False - ANSWER true
A well defined group of individuals or observations of any size having a unique quality or
characteristic is called a
sample.
statistics.
parameter.
population. - ANSWER population
A group of individuals selected from a particular population is called a
sample.
statistics.
parameter.
population. - ANSWER sample
A frequency distribution table consists of five columns. Choose A, B, C or D that has the
headings of each column in the correct order from left to right.
Name of Variable, Cumulative Frequency, Cumulative Percent, Frequency, Percent.
, Name of Variable, Percent, Frequency, Cumulative Percent, Cumulative Frequency.
Name of Variable, Frequency, Percent, Cumulative Frequency, Cumulative Percent
Name of Variable, Frequency, Cumulative Frequency, Percent, Cumulative Percent. -
ANSWER Name of Variable, Frequency, Percent, Cumulative Frequency, Cumulative
Percent
What is the name of the data display that gives more information about how many people
receive each score?
An unranked list
A ranked list
A frequency polygon
A frequency distribution table - ANSWER A frequency distribution table
A histogram can be used to display and analyze nominal data.
True
False - ANSWER false
In a box plot what percent of the observations fall in the box?
25%
50%
75%
depends on the shape of the distribution - ANSWER 50%
For Questions 5 - 8, refer to the raw data in the Excel file called Worksheet for the
practice of frequency distribution table.xls. Place the list of scores in rank order for
GIRLS only. Create a frequency distribution table with girls data. How many girls have
FCAT scores?
10
15
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