Question 1

Express proportions in percentages.
a. .939 - ___________
b. .25 - ___________
c. .792 - ___________

Accepted Answer

a. 93.9%
b. 25%
c. 79.2%

Question 2

A proportion is part of

Accepted Answer

A)  100. 
B)  10. 
C)  1. 
D)  1000. 
A)  100. 
B)  10. 
C)  1. 
D)  1000. C

Question 3

If a score 14 occurs 5 times in a given data, what symbol is used to indicated the repetition?

Accepted Answer

A)  N 
B)  f 
C)  % 
D)  F 
A)  N 
B)  f 
C)  % 
D)  F B

Question 4

When reporting percentages, why is it a good idea to also report the underlying frequencies?

Accepted Answer

A)  Percentages alone can sometimes be misleading 
B)  Percentages fail to provide sufficient information 
C)  Percentages is not as good as frequencies when describing data 
D)  Both a & b 
E)  Both b & c 
A)  Percentages alone can sometimes be misleading 
B)  Percentages fail to provide sufficient information 
C)  Percentages is not as good as frequencies when describing data 
D)  Both a & b 
E)  Both b & c

Question 5

A particular test has 20 questions. If Peter gets 80% correct, how many questions did he missed?

Accepted Answer

He missed 4 questions.
The num

Question 6

If 21% of kindergarten children are afraid of monsters, how many out of 100 are afraid? And how many are not afraid?

Accepted Answer

Afraid: 21

Question 7

To calculate percentage use

Accepted Answer

A)  Multiplication 
B)  Division 
C)  Addition 
D)  Subtraction 
A)  Multiplication 
B)  Division 
C)  Addition 
D)  Subtraction

Express proportions in percentages. a. .939 - _____ b. .25 - _ c. .792 - _______

A proportion is part of

If a score 14 occurs 5 times in a given data, what symbol is used to indicated the repetition?

When reporting percentages, why is it a good idea to also report the underlying frequencies?

A particular test has 20 questions. If Peter gets 80% correct, how many questions did he missed?

If 21% of kindergarten children are afraid of monsters, how many out of 100 are afraid? And how many are not afraid?

To calculate percentage use

The Empirical Approach to Knowledge

Types of Empirical Research

Scales of Measurement

Descriptive, Correlational, and Inferential Statistics

Introduction to Sampling

Variations on Random Sampling

Sample Size

Standard Error of the Mean

Shapes of Distributions

The Mean: An Average

Mean, Median, and Mode

Range and Interquartile Range

Standard Deviation

Z-Score

Correlation

Pearson-R

Scattergram

Introduction to Hypothesis Testing

Decisions About the Null Hypothesis

Introduction to the T-Test

Independent Samples T-Test

Dependent Samples T-Test

One Sample T-Test

Reports of the Results of T-Tests

One-Way Anova

Two-Way Anova

Chi-Square Test

Limitations of Significance Testing

Effect Size

Coefficient of Determination

Multiple Correlation

Simple and Multiple Regression

Filters

Exam 9: Frequencies, Percentages, and Proportions

Express proportions in percentages. a. .939 - ___________ b. .25 - ___________ c. .792 - ___________

A proportion is part of

If a score 14 occurs 5 times in a given data, what symbol is used to indicated the repetition?

When reporting percentages, why is it a good idea to also report the underlying frequencies?

A particular test has 20 questions. If Peter gets 80% correct, how many questions did he missed?

If 21% of kindergarten children are afraid of monsters, how many out of 100 are afraid? And how many are not afraid?

To calculate percentage use

The Empirical Approach to Knowledge

Types of Empirical Research

Scales of Measurement

Descriptive, Correlational, and Inferential Statistics

Introduction to Sampling

Variations on Random Sampling

Sample Size

Standard Error of the Mean

Shapes of Distributions

The Mean: An Average

Mean, Median, and Mode

Range and Interquartile Range

Standard Deviation

Z-Score

Correlation

Pearson-R

Scattergram

Introduction to Hypothesis Testing

Decisions About the Null Hypothesis

Introduction to the T-Test

Independent Samples T-Test

Dependent Samples T-Test

One Sample T-Test

Reports of the Results of T-Tests

One-Way Anova

Two-Way Anova

Chi-Square Test

Limitations of Significance Testing

Effect Size

Coefficient of Determination

Multiple Correlation

Simple and Multiple Regression

Filters

Express proportions in percentages. a. .939 - _____ b. .25 - _ c. .792 - _______