Question 1

What is the median for the following set of scores: 18, 6, 12, 10, 14?

Accepted Answer

A)  10 
B)  14 
C)  18 
D)  12 
A)  10 
B)  14 
C)  18 
D)  12 D

Question 2

The _is the value you calculate when you want the arithmetic average.

Accepted Answer

A)  mean 
B)  median 
C)  mode 
D)  all of the above 
A)  mean 
B)  median 
C)  mode 
D)  all of the above A

Question 3

A post-hoc test is:

Accepted Answer

A)  a test to compare two or more means in an overall test. 
B)  a test to determine regression to the mean. 
C)  a follow-up test to ANOVA when there are three or more groups. 
D)  a follow-up test to the independent t-test. 
A)  a test to compare two or more means in an overall test. 
B)  a test to determine regression to the mean. 
C)  a follow-up test to ANOVA when there are three or more groups. 
D)  a follow-up test to the independent t-test. C

Question 4

If a distribution is skewed to the left, then it is ______.

Accepted Answer

A)  negatively skewed 
B)  positively skewed 
C)  symmetrically skewed 
D)  symmetrical 
A)  negatively skewed 
B)  positively skewed 
C)  symmetrically skewed 
D)  symmetrical

Question 5

A statistical test used to compare two or more groups is called:

Accepted Answer

A)  simple regression. 
B)  post-hoc test. 
C)  t-test for regression. 
D)  one-way ANOVA. 
A)  simple regression. 
B)  post-hoc test. 
C)  t-test for regression. 
D)  one-way ANOVA.

Question 6

The purpose of ____is to summarize and explain a specific set of data.

Accepted Answer

A)  descriptive statistics 
B)  inferential statistics 
C)  parametric procedures 
D)  nonparametric procedures 
A)  descriptive statistics 
B)  inferential statistics 
C)  parametric procedures 
D)  nonparametric procedures

Question 7

The standard deviation is:

Accepted Answer

A)  the square root of the variance. 
B)  a measure of variability. 
C)  an approximate indicator how numbers vary from the mean. 
D)  all of the above 
A)  the square root of the variance. 
B)  a measure of variability. 
C)  an approximate indicator how numbers vary from the mean. 
D)  all of the above

Question 8

Which of the following represents the fiftieth percentile, or midpoint of a distribution?

Accepted Answer

A)  mean 
B)  median 
C)  mode 
D)  variance 
A)  mean 
B)  median 
C)  mode 
D)  variance

Question 9

How many dependent variables are used in simple linear regression?

Accepted Answer

A)  one 
B)  two 
C)  two or more 
D)  three 
A)  one 
B)  two 
C)  two or more 
D)  three

Question 10

_is the set of procedures used to explain or predict the values of a dependent variable based on values of one or more independent variables.

Accepted Answer

A)  Regression analysis 
B)  Regression coefficient 
C)  Regression equation 
D)  Regression line 
A)  Regression analysis 
B)  Regression coefficient 
C)  Regression equation 
D)  Regression line

What is the median for the following set of scores: 18, 6, 12, 10, 14?

The _is the value you calculate when you want the arithmetic average.

A post-hoc test is:

If a distribution is skewed to the left, then it is ______.

A statistical test used to compare two or more groups is called:

The purpose of ____is to summarize and explain a specific set of data.

The standard deviation is:

Which of the following represents the fiftieth percentile, or midpoint of a distribution?

How many dependent variables are used in simple linear regression?

_is the set of procedures used to explain or predict the values of a dependent variable based on values of one or more independent variables.

Introduction to Nursing Research

Understanding the Research Process and Ethical Issues in Nursing Research

Understanding Evidence-Based Practice

Selecting and Defining a Problem

Applying Appropriate Theories and Conceptual Models

Formulating Hypotheses and Research Questions

Selecting the Sample and Setting

Principles of Measurement

Data Collection Methods

Filters

Exam 10: Analyzing Data

What is the median for the following set of scores: 18, 6, 12, 10, 14?

The _is the value you calculate when you want the arithmetic average.

A post-hoc test is:

If a distribution is skewed to the left, then it is ______.

A statistical test used to compare two or more groups is called:

The purpose of ____is to summarize and explain a specific set of data.

The standard deviation is:

Which of the following represents the fiftieth percentile, or midpoint of a distribution?

How many dependent variables are used in simple linear regression?

_is the set of procedures used to explain or predict the values of a dependent variable based on values of one or more independent variables.

Introduction to Nursing Research

Understanding the Research Process and Ethical Issues in Nursing Research

Understanding Evidence-Based Practice

Selecting and Defining a Problem

Applying Appropriate Theories and Conceptual Models

Formulating Hypotheses and Research Questions

Selecting the Sample and Setting

Principles of Measurement

Data Collection Methods

Filters