Exam (elaborations)
chapter 13 and 14 review questions(Evaluating Descriptive Data) with correct answers
- Course
- Institution
chapter 13 and 14 review questions(Evaluating Descriptive Data) with correct answers
[Show more]
Content preview
chapter 13 and 14 reviewquestions(Evaluating Descriptive Data)
1. Which of the following statements correctly contrasts inferential statistics and descriptive statistics?
A) Inferential statistics are used to present data and information, whereas descriptive statistics are used
to develop population parameters.
B) Inferential statistics are based on predicted data, whereas descriptive statistics are based on collected
data.
C) Inferential statistics are gathered using univariate analysis, whereas descriptive statistics are gathered
using multivariate analysis.
D) Inferential statistics are used to make predictions about phenomena, whereas descriptive statistics
are used to explain characteristics of variables. - correct answer ✔✔D) Inferential statistics are used to
make predictions about phenomena, whereas descriptive statistics are used to explain characteristics of
variables.
2. A researcher analyzing data from a study that investigated the relationship between use of infrared
therapy and circulation in patients with diabetic peripheral neuropathy would most likely use which type
of analysis?
A) Univariate
B) Bivariate
C) Trivariate
D) Multivariate - correct answer ✔✔B) Bivariate
3. Why is grouped data presented more often than ungrouped data?
A) Grouping data results in some loss of information.
B) Nominal and ordinal data cannot be interpreted unless the data are grouped.
C) Grouping data into smaller classifications makes it easier to interpret.
D) Overlapping categories can be used to analyze grouped data. - correct answer ✔✔C) Grouping data
into smaller classifications makes it easier to interpret.
, 4. Which of the following is calculated by dividing the frequency of an event by the total number of
events?
A) Frequency analysis
B) Percentage distribution
C) Population parameter
D) Percentage statement - correct answer ✔✔B) Percentage distribution
5. What do measures of central tendency describe?
A) Accuracy of predictions made by researchers
B) Average or typical case found in the data
C) Reliability and generalizability of the data
D) Amount of dispersion in the sample - correct answer ✔✔B) Average or typical case found in the data
6. Nursing educators are reviewing scores from an examination to determine what score occurred most
frequently. Which measure of central tendency are they seeking?
A) Mean
B) Median
C) Mode
D) Standard deviation - correct answer ✔✔C) Mode
7. Which of the following statements about mean and median is true?
A) Both mean and median are greatly affected by outliers.
B) Neither mean nor median is greatly affected by outliers.
C) Both mean and median are less accurate measures of central tendency than mode.
D) Both mean and median can be values that do not appear in the data set. - correct answer ✔✔D) Both
mean and median can be values that do not appear in the data set.
8. Which measure is most likely to be affected by the presence of an extreme value in the data set?
A) Mean
B) Median
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 BravelRadon. Stuvia facilitates payment to the seller.
Will I be stuck with a subscription?
No, you only buy these notes for $12.99. You're not tied to anything after your purchase.
Can Stuvia be trusted?
4.6 stars on Google & Trustpilot (+1000 reviews)
73314 documents were sold in the last 30 days
Founded in 2010, the go-to place to buy study notes for 14 years now