Exam (elaborations)
BESC 3010 test two complete questions and solutions
- Course
- Institution
BESC 3010 test two complete questions and solutions
[Show more]
Content preview
BESC 3010 test two complete questionsand solutions
What is meant by a "manipulation" in the context of experimental research?
Any variable that is controlled by the researcher
An unethical practice
The creation of emotions against the participant's will
The physical control of a respondent's body CORRECT ANSWERS Any variable that is
controlled by the researcher
The number of small businesses opened in a county each year is an example of which
level of measurement?
nominal
interval
ordinal
ratio CORRECT ANSWERS ratio
The lowest level of measurement (i.e., the one that contains the least information) is the
______ level of measurement.
interval
ratio
ordinal
nominal CORRECT ANSWERS nominal
If a person's employment is coded as Unemployed = 0 or Employed = 1, then that
variable is at the ______ level of measurement.
ordinal
nominal
interval
ratio CORRECT ANSWERS nominal
A histogram is appropriate when the data are...
nominal or ordinal.
nominal, interval, or ratio.
interval or ratio.
ordinal. CORRECT ANSWERS interval or ratio.
A bar chart would work best for which of the following measurement scales?
Categorical levels
Ordinal or ratio
Nominal or interval
Quantitative levels CORRECT ANSWERS Categorical levels
A bell curve (i.e., a normal distribution) is...
, leptokurtic.
mesokurtic.
uniform.
platykurtic. CORRECT ANSWERS mesokurtic
Which measure of central tendency works best of negatively skewed distributions?
Median
Mode
Mean
No measure is appropriate CORRECT ANSWERS Median
What is the lowest level of measurement needed to calculate the mode?
Interval
Any level but the distribution must be symmetrical
Nominal
Any level that doesn't have outliers CORRECT ANSWERS Nominal
In a negatively skewed distribution, which measure will generally have the highest
value?
Mean
Mode
Median
All are the same CORRECT ANSWERS Mode
In a positively skewed distribution, which measure will generally have the highest value?
Mode
All are the same
Mean
Median CORRECT ANSWERS Mean
What is the lowest level of measurement needed to calculate the mean?
Interval
Ordinal
Ratio
Any level but the distribution must be symmetrical CORRECT ANSWERS Interval
Which measure requires a degrees of freedom calculation?
Population variance
Population range
Sample mean
Sample standard deviation CORRECT ANSWERS Sample standard deviation
What is the sample standard deviation for this data set?
4, 1, 9, 1, 5
The benefits of buying summaries with Stuvia:
Guaranteed quality through customer reviews
Stuvia customers have reviewed more than 700,000 summaries. This how you know that you are buying the best documents.
Quick and easy check-out
You can quickly pay through credit card or Stuvia-credit for the summaries. There is no membership needed.
Focus on what matters
Your fellow students write the study notes themselves, which is why the documents are always reliable and up-to-date. This ensures you quickly get to the core!
Frequently asked questions
What do I get when I buy this document?
You get a PDF, available immediately after your purchase. The purchased document is accessible anytime, anywhere and indefinitely through your profile.
Satisfaction guarantee: how does it work?
Our satisfaction guarantee ensures that you always find a study document that suits you well. You fill out a form, and our customer service team takes care of the rest.
Who am I buying these notes from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller ElevatedExcellence. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $13.49. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
79373 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now