Other
Chapter 14 practice questions and answers
- Course
- RES 320
- Institution
- University Of Pretoria (UP)
practice questions for chapter 14,i received a high distinction for RES and I am part of golden key
[Show more]
Connected book
Book Title:
Author(s):
- Edition:
- ISBN:
- Edition:
Seller
Follow
Content preview
Chapter 14Descriptive Statistics
Multiple-choice questions
1. Inferential statistics involve the use of _____________ to draw
conclusions about ________________.
a. populations; samples
* b. samples; populations
c. data sets; descriptive statistics
d. z-scores; normal distributions
2. The use of inferential statistics involves
a. examining the relationship between two variables.
b. randomly selecting participants from a population.
c. describing, summarizing, or explaining a set of data.
*d. using data from a sample to answer questions about a
population.
3. The use of descriptive statistics involves
*a. summarizing your data so that it is easier for others to
understand.
b. making inferences from your data to a population.
c. the use of both point and interval estimation.
d. sometimes include hypothesis testing.
4. SPSS is
a. measure of effect size.
b. a method of randomly selecting participants from a
population.
* c. a statistical software package commonly used by
psychologists.
d. used for inferential statistics but not descriptive.
5. A __________________ is a systematic arrangement of data values
in which the unique data values are rank ordered and the
frequencies are provided for each of these values.
, a. histogram
* b. frequency distribution
c. bar graph
d. frequency graph
Use the following frequency distribution to answer questions 6-10.
ACT ScoreFrequencyPercentage
20 2 10.0
21 3 15.0
22 4 20.0
23 6 30.0
24 3 15.0
25 2 10.0
6. Which of the following is the lowest score in the
frequency distribution?
a. 23
b. 10
* c. 20
d. 25
7. Which of the following is the highest score in the
frequency distribution? a. 23
b. 10
c. 20
* d. 25
8. What is the most frequently occurring score in the frequency
distribution?
* a. 23
b. 10
c. 20
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 EFT, 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 this summary from?
Stuvia is a marketplace, so you are not buying this document from us, but from seller NerdLG101. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy this summary for R85,00. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
53068 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy summaries for 14 years now