PSYC*1010 Exam Questions and
Answers
What is the role of descriptive statistics as it relates to the goals of the
scientific method?
a)Descriptive statistics are important in operational definition.
b)Descriptive statistics summarize empirical observations.
c)Descriptive statistics are what you use when you are generalizing from
sample to population and determining why the results occurred.
d)Descriptive statistics are used in deductive logic.
e)More than one of the above is true (Descriptive statistics can accomplish
the functions described in several of the alternatives answers listed above.) -
-b)Descriptive statistics summarize empirical observations.
- What is 46% of 52? Express the result to two decimals of accuracy. - -
(0.46)x(52)=23.92
- What is the role of inferential statistics as it relates to the goals of scientific
methods? - -Inferential statistics are used when generalizing from sample to
population
- Veronique is trying to find a specific way to measure the concept "self
esteem" in her study. She chooses to measure it using a published
questionnaire that is designed to measure self-esteem (high scores = high
self-esteem). Veronique is - -Operationally defining a variable
- In a grade 1 class there were 50 girls and 50 boys. Which of the following is
constant in this group? - -Grade
- How do you calculate proportion frequency in a simple frequency
distribution? (Note: f is the abbreviation for frequency). - -f/n
- A researcher was carrying out a study looking at the correlation between
the number of hours of sleep per night and GPA. What kind of graph should
be used here to show the relationship between the two variables? - -A
scatterplot
- In a study on frustration, a researcher had participants rate their feelings
on a 1-9 scale, where 1 was not at all angry and 9 was extremely angry.
From what you learned in class, what scale of measure is this? - -interval
- A sample of 500 students had debt ranging between $146 and $10,586.
You have been asked to make a professional looking frequency distribution
from this debt data. Using the technique taught in this class, what would be
Answers
What is the role of descriptive statistics as it relates to the goals of the
scientific method?
a)Descriptive statistics are important in operational definition.
b)Descriptive statistics summarize empirical observations.
c)Descriptive statistics are what you use when you are generalizing from
sample to population and determining why the results occurred.
d)Descriptive statistics are used in deductive logic.
e)More than one of the above is true (Descriptive statistics can accomplish
the functions described in several of the alternatives answers listed above.) -
-b)Descriptive statistics summarize empirical observations.
- What is 46% of 52? Express the result to two decimals of accuracy. - -
(0.46)x(52)=23.92
- What is the role of inferential statistics as it relates to the goals of scientific
methods? - -Inferential statistics are used when generalizing from sample to
population
- Veronique is trying to find a specific way to measure the concept "self
esteem" in her study. She chooses to measure it using a published
questionnaire that is designed to measure self-esteem (high scores = high
self-esteem). Veronique is - -Operationally defining a variable
- In a grade 1 class there were 50 girls and 50 boys. Which of the following is
constant in this group? - -Grade
- How do you calculate proportion frequency in a simple frequency
distribution? (Note: f is the abbreviation for frequency). - -f/n
- A researcher was carrying out a study looking at the correlation between
the number of hours of sleep per night and GPA. What kind of graph should
be used here to show the relationship between the two variables? - -A
scatterplot
- In a study on frustration, a researcher had participants rate their feelings
on a 1-9 scale, where 1 was not at all angry and 9 was extremely angry.
From what you learned in class, what scale of measure is this? - -interval
- A sample of 500 students had debt ranging between $146 and $10,586.
You have been asked to make a professional looking frequency distribution
from this debt data. Using the technique taught in this class, what would be
