Login
Sign up
Categories
IT & Programming
Design & Multimedia
Writing & Translation
Sales & Marketing
Admin Support
Engineering & Manufacturing
Finance & Management
Website Designing & Development
Database Management
Networking & Troubleshooting
Aviation & Aerospace
Softwares & Applications
Stocks & Investments
Electronics & Appliances
Online Tools
General Knowledge & Aptitude
Mathematics
Educational Subjects & Courses
Business & Organization
Health & Wellbeing
Culture & Ethics
IT Field Knowledge & Experience
Languages & Communication
Entrepreneurship & Leadership
Economics & Development
Mass Communication & Media
Research Methods & Evaluation
Public Relations & Dealings
Educational Methods and Research
Educational Subjects & Techniques
Crime & Justice
Governments & Policies
Cyber Security & Ethical Hacking
Hospitality & Tourism
Soft Skills & Personal Management
Transportation & Driving Rules
Forest and Nature
Religion
Skill Assessment
MCQs
PDFs
Login
Sign up
Categories
IT & Programming
Design & Multimedia
Writing & Translation
Sales & Marketing
Admin Support
Engineering & Manufacturing
Finance & Management
Website Designing & Development
Database Management
Networking & Troubleshooting
Aviation & Aerospace
Softwares & Applications
Stocks & Investments
Electronics & Appliances
Online Tools
General Knowledge & Aptitude
Mathematics
Educational Subjects & Courses
Business & Organization
Health & Wellbeing
Culture & Ethics
IT Field Knowledge & Experience
Languages & Communication
Entrepreneurship & Leadership
Economics & Development
Mass Communication & Media
Research Methods & Evaluation
Public Relations & Dealings
Educational Methods and Research
Educational Subjects & Techniques
Crime & Justice
Governments & Policies
Cyber Security & Ethical Hacking
Hospitality & Tourism
Soft Skills & Personal Management
Transportation & Driving Rules
Forest and Nature
Religion
Skill Assessment
MCQs
PDFs
Login
Sign up
Skill Assessments
>
Educational Subjects & Techniques
>
Statistics Skill Assessment
>
Quiz # 4
Statistics Quiz # 4
Instructions
Quiz:
Statistics Quiz # 4
Subject:
Inferential Statistic
Total Questions:
636 MCQs
Time:
636 Minutes
Note
Do not refresh the page while taking the test.
Results along with correct answers will be shown at the end of the test.
Start Quiz
Statistics Quiz # 4
End Quiz
Question
1
of 636
00:00
P level is the probability of committing the Type I error, that is, rejecting H0 when H0 is _____
True
Not sure
False
Both a and b
The science of predicting future events or the likelihood of any given event occurring is known as_____
Significance
Probability
Hypothesis
None of these
The significance level in replication is _____
0.005
0.05
0.5
5.0
Most frequently what the experimenter thinks may be true or wishes to be true before he or she begins an experiment refers to_____
Research hypothesis
Alternative hypothesis
Null hypothesis
Both a and b
In signal to noise ratio the effect of a treatment is considered the signal and _____ is considered the noise.
Constant numbers
Random variation in numbers
Both
None
Findings are considered statistically significant if the probability that we are wrong is _____
Equal to 0.05
Less than 0.05
More than 0.05
All of these
Trend is frequently reported when the data_____
Reaches the level of statistical significance
Comes close to the level of statistical significance
Gets far away from the level of statistical significance
All of these
When an experimenter incorrectly rejects the null hypothesis when it is true it is called type I error.
True
False
When an experimenter incorrectly rejects the null hypothesis when it is true it is called Type II error.
True
False
All are true about archival data except_____
Data that have already been collected
Experimenter only has statistical power
Experimenter has both statistical and experimental power
Experimenter can no longer change the original experimental design
Causal relationships should never be inferred from a correlational design or a correlational test statistic, although correlational relationships may suggest causal relationships.
True
False
Chi-square distribution is a theoretical sampling distribution that can be used to_____
Test the significance of a phi correlation
Test nonparametric frequency data
Test difference of variance
Both a and b
Coefficient of determination is obtained by squaring the _____ coefficient.
Phi
Pearson’s
Spearman
None of these
A constant is a _____ value in a statistical formula.
Common
Fixed
Nonspecified
All of these
Correlation is the _____ between two variables.
Degree of freedom
Strength of a relationship
Dependance
None of these
An assumption that a curved line best fits the graphic representation between two variables is known as _____
Linear relationship
Curved relationship
Curvilinear relationship
None of these
Degrees of freedom is a parameter that is equal to the _____ of observations or groups in a study minus some value(s) that limits the observations’ or groups’ freedom to vary.
Number
Sum of numbers
Square of numbers
Sum of square of numbers
All are true about heteroscedasticity except_____
Violation of the homoscedasticity assumption
The bivariate distribution has greater variance for some values of the y scores
Linear regression distributions have similar variances
Linear regression distributions have different variances
Heteroscedasticity is a violation of homoscedasticity.
True
False
Least squares method is a method in regression that produces the single best-fitting line that predicts a _____
Y score given an X score
X score given a Y score
Both X and Y scores
None of these
Linear relationship is a relationship in which a straight line best fits the bivariate distribution of two _____
Confounding variables
Dependent variables
Discrete variables
All of these
Multiple regression analysis is a statistical procedure that measures the strength of a relationship between multiple independent variables and _____
Single dependent variable
Single independent variable
Multiple dependent variables
Multiple independent variables
A measure of the strength of a relationship between two continuous variables is known as_____
Pearson’s product–moment correlation
Phi correlation
Point-biserial correlation
None of these
Phi Correlation is a measure of the strength of a relationship between_____
A continuous and a dichotomous variable
Two continuous variables
Two dichotomous variables
None of these
Point-Biserial Correlation is a measure of the strength of a relationship between_____
A continuous and a dichotomous variable
Two continuous variables
Two dichotomous variables
None of these
Regression analysis is a statistical procedure that measures the strength of a relationship between _____
An independent variable and a dependent variable
Two dependent variables
Two independent variables
Two continuous variables
Scatterplot is a graphic representation of the relationship of two _____ in correlational designs.
Dependent Variables
Confounding Variables
Continuous Variables
Independent Variables
A statistical procedure where the focus is on the way one variable (y) varies based on how one other variable (x) varies is known as simple regression.
True
False
A measure of the relationship between two ordinal rankings of the same set of data is known as_____
Pearson’s product–moment correlation
Phi correlation
Point-biserial correlation
Spearman’s Correlation
Spearman’s Correlation is represented by the coefficient _____
R
Rs
Φ
Rpb
Submit Test
Prev Question
ABCd
Next Question
Statistics Skill Assessment
Login to see Skill Score (It's Free)
Your Skill Level:
Poor
Retake Quizzes to improve it
Start Assessment
Statistics Skill Assessment
Login to see Skill Score (It's Free)
Your Skill Level:
Poor
Retake Quizzes to improve it
Start Assessment