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Examen
EHRD 391 - Exam 1 questions with correct answers
Data is Answer A record of observation / event 
 
EX: Test score/ grade 
 
Data set is... Answer A collect of observations 
 
EX: Test scoreS / GradeS 
 
Descriptive Stats Answer 1. Used to organize and describe the characteristics of a collection of data 
2. Measures central tendency (CT) and measures of variability 
 
Inferential Stats Answer 1. Used to make generalizations from a smaller group of subjects ( a sample) to a larger group of subjects ( a population) 
2. Use of incomplete data 
 ...
Examen
EHRD 391 Exam 1 Sandlin questions with correct answers
PopularPopulation Answer group of people that have at least 1 characteristic in common 
 
Sample Answer a subset of the population 
 
Statistic Answer summarized value of a sample 
 
Parameter Answer summarized value of a population 
 
descriptive statistics Answer organize and describe a collection of data 
 
inferential statistics Answer make generalizations 
 
Percentiles Answer indicate the percentage of observations that fall at or below a specific value 
 
Quartiles Answer Points in the distribut...
Examen
EHRD 391 Quiz 3 with 100% correct answers rated A+
NuevoEHRD 391 Quiz 3 with 100% correct answers rated A+
Examen
EHRD 391-Test 1 questions with correct answers|100% verified
EHRD 391-Test 1 questions with correct answers 
Statistics Answer A set of tools and techniques that are used for describing, organizing, and interpreting information or data 
-Making decisions with incomplete data 
 
Data Answer A RECORD of an observation/event such as a test score, grade in class, or response time 
 
Data Set Answer A COLLECTION of observations/events such as test scores, grades on a test, or response time 
 
Branches Of Statistics Answer --- 
 
Descriptive Statistics Answer U...
Examen
EHRD 391 - Exam/Final, Sandlin questions with correct answers|100% verified
EHRD 391 - Exam/Final, Sandlin questions with correct answers 
Probability theory Answer analysis and understanding of chance occurrences 
 
Probability Answer specification of how frequently a particular event of interest is likely to occur over a large number of trials 
 
Standard Error of the Mean Answer the standard deviation of a sampling distribution 
 
Sampling Distribution of Means Answer when samples are taken and the means are calculated and graphed 
 
Central Limit Theorem Answer - sa...
Examen
EHRD 391 - Exam 1 questions with correct answers|100% verified
EHRD 391 - Exam 1 questions with correct answers 
Data is Answer A record of observation / event 
 
EX: Test score/ grade 
 
Data set is... Answer A collect of observations 
 
EX: Test scoreS / GradeS 
 
Descriptive Stats Answer 1. Used to organize and describe the characteristics of a collection of data 
2. Measures central tendency (CT) and measures of variability 
 
Inferential Stats Answer 1. Used to make generalizations from a smaller group of subjects ( a sample) to a larger group of subj...
Examen
EHRD 391 Exam 3... questions with correct answers|100% verified
EHRD 391 Exam 3... questions with correct answers 
The Null Hypothesis can be Answer Correct or Incorrect 
 
We fail to reject Ho when Answer Data is Correct or between Tc 
 
Step 1 Answer State Ho & Ha 
 
Step 2 Answer Select "Alpha" 
 
Alpha Answer Level of risk or level of significance 
 
Step 3 Answer Select Appropriate Test "Dependent or Independent" 
 
Step 4 Answer Compute T-o "Do the Math"
Examen
EHRD 391 Exam 3 questions with correct answers|100% verified
EHRD 391 Exam 3 questions with correct answers 
Inferential Statistics 
(hypothesis testing) Answer -making decisions with incomplete data 
-notion of taking info from small groups to big ones 
 
population Answer a group of people who have 1 thing in common 
 
sample Answer a subset of the people 
 
sampling error Answer the inherent error that comes with samples 
 
Null hypothesis Answer -a statement of equality between two variables 
-considered the starting point 
-it is what we accept to b...
Examen
EHRD 391 EXAM 2 questions with correct answers|100% verified
EHRD 391 EXAM 2 questions with correct answers 
bivariate Answer 2 variables 
 
r Answer -Pearson r 
-tells you the degree of linear relationship between two continuous variables 
-has to be a meaningful relationship between the variables 
will be making scatter plots 
 
degree of association Answer what does the circle around the data look like? 
-tight circle=most related 
-loose circle=least related 
 
directionality Answer where it is moving 
+/- 
 
linearity Answer no curves or randomness 
...
Examen
EHRD 391 Exam 2 questions with correct answers|100% verified
EHRD 391 Exam 2 questions with correct answers 
bivariate data Answer Data with two variables 
 
univariate data Answer data with one variable 
 
example of continuous variable Answer hrs studied and test score 
 
r Answer strength of associate between variables 
 
4 things that scatter plot tells you Answer -degree of association 
-directionality 
-linearity 
-outliar 
 
if outliar is encountered Answer -make sure is not an administrative error 
-caluculate with and without the association 
- ...
Examen
EHRD 391 Exam 1 Sandlin questions with correct answers|100% verified
EHRD 391 Exam 1 Sandlin questions with correct answers 
Population Answer group of people that have at least 1 characteristic in common 
 
Sample Answer a subset of the population 
 
Statistic Answer summarized value of a sample 
 
Parameter Answer summarized value of a population 
 
descriptive statistics Answer organize and describe a collection of data 
 
inferential statistics Answer make generalizations
Examen
EHRD 391 Exam 1 questions with correct answers|100% verified
EHRD 391 Exam 1 questions with correct answers 
Statistics Answer A set of tools and techniques that are used for describing, organizing, and interpreting information or data 
-Making decisions with incomplete data 
 
Data Answer A RECORD of an observation/event such as a test score, grade in class, or response time 
 
Data Set Answer A COLLECTION of observations/events such as test scores, grades on a test, or response time 
 
Branches Of Statistics Answer Descriptive & Inferential Statistics 
...
Lote
EHRD 391|Evaluation in Human Resource Development and Technology Management|Tests Bundle Set
EHRD 391|Evaluation in Human Resource Development and Technology Management|Tests Bundle Set
Examen
EHRD 391-Test 1 questions with correct answers
Statistics Answer A set of tools and techniques that are used for describing, organizing, and interpreting information or data 
-Making decisions with incomplete data 
 
Data Answer A RECORD of an observation/event such as a test score, grade in class, or response time 
 
Data Set Answer A COLLECTION of observations/events such as test scores, grades on a test, or response time 
 
Branches Of Statistics Answer --- 
 
Descriptive Statistics Answer Used to organize and describe the characteristics...
Examen
EHRD 391 Exam 3... questions with correct answers
The Null Hypothesis can be Answer Correct or Incorrect 
 
We fail to reject Ho when Answer Data is Correct or between Tc 
 
Step 1 Answer State Ho & Ha 
 
Step 2 Answer Select "Alpha" 
 
Alpha Answer Level of risk or level of significance 
 
Step 3 Answer Select Appropriate Test "Dependent or Independent" 
 
Step 4 Answer Compute T-o "Do the Math" 
 
Step 5 Answer Determine the value to reject the Null "T-c" t-critical 
 
How to solve "DF" = Degree of freedom For independent Answer n1 ...
Examen
EHRD 391 Exam 2 questions with correct answers
bivariate data Answer Data with two variables 
 
univariate data Answer data with one variable 
 
example of continuous variable Answer hrs studied and test score 
 
r Answer strength of associate between variables 
 
4 things that scatter plot tells you Answer -degree of association 
-directionality 
-linearity 
-outliar 
 
if outliar is encountered Answer -make sure is not an administrative error 
-caluculate with and without the association 
- check what is going on 
 
Pearson's r Answer te...
Examen
EHRD 391 - Exam/Final, Sandlin questions with correct answers
Probability theory Answer analysis and understanding of chance occurrences 
 
Probability Answer specification of how frequently a particular event of interest is likely to occur over a large number of trials 
 
Standard Error of the Mean Answer the standard deviation of a sampling distribution 
 
Sampling Distribution of Means Answer when samples are taken and the means are calculated and graphed 
 
Central Limit Theorem Answer - sampling distribution of the means will be normal 
- mean of the ...
Examen
EHRD 391 Exam 3 questions with correct answers
Inferential Statistics 
(hypothesis testing) Answer -making decisions with incomplete data 
-notion of taking info from small groups to big ones 
 
population Answer a group of people who have 1 thing in common 
 
sample Answer a subset of the people 
 
sampling error Answer the inherent error that comes with samples 
 
Null hypothesis Answer -a statement of equality between two variables 
-considered the starting point 
-it is what we accept to be true, until we have evidence that says othersi...
Examen
EHRD 391 EXAM 2 questions with correct answers
bivariate Answer 2 variables 
 
r Answer -Pearson r 
-tells you the degree of linear relationship between two continuous variables 
-has to be a meaningful relationship between the variables 
will be making scatter plots 
 
degree of association Answer what does the circle around the data look like? 
-tight circle=most related 
-loose circle=least related 
 
directionality Answer where it is moving 
+/- 
 
linearity Answer no curves or randomness 
 
presence of outliers Answer 1) make sure no ou...
Examen
EHRD 391 Exam 1 questions with correct answers
Statistics Answer A set of tools and techniques that are used for describing, organizing, and interpreting information or data 
-Making decisions with incomplete data 
 
Data Answer A RECORD of an observation/event such as a test score, grade in class, or response time 
 
Data Set Answer A COLLECTION of observations/events such as test scores, grades on a test, or response time 
 
Branches Of Statistics Answer Descriptive & Inferential Statistics 
 
Descriptive Statistics Answer Used to organize...