Question 1

Which of the following does NOT describe a normal curve, also known as the bell-shaped curve?

Accepted Answer

A)  It is the most important shape 
B)  It is a shape very often found in nature 
C)  It is the basis for a number of inferential statistics 
D)  The length of the tails on either sides of the curve may not necessarily look the same 
A)  It is the most important shape 
B)  It is a shape very often found in nature 
C)  It is the basis for a number of inferential statistics 
D)  The length of the tails on either sides of the curve may not necessarily look the same D

Question 2

What is the table that shows how many participants have each score?

Accepted Answer

A)  Frequency polygon 
B)  Frequencies 
C)  Frequency distribution 
D)  Descriptive Statistics 
A)  Frequency polygon 
B)  Frequencies 
C)  Frequency distribution 
D)  Descriptive Statistics C

Question 3

What kind of distribution is it in the case where the long tail of a frequency polygon is on the right side?

Accepted Answer

A)  Normal distribution 
B)  Positive skew distribution 
C)  Negative skew distribution 
A)  Normal distribution 
B)  Positive skew distribution 
C)  Negative skew distribution B

Question 4

What shape of distribution (Normal, Positive skew, or Negative skew) would you expect for a polygon of the following data?
a. The heights of women in a large population: ________________________
b. Income ________________________
c. A test with a large number of high scores________________________
d. The average annual rainfall in Los Angeles over the past 110 years: ________________________

Accepted Answer

a. NORMAL
b. POSITIV

Question 5

What is the height of the curve at each score on the horizontal line of the frequency polygon based on?

Accepted Answer

A)  Frequency distribution 
B)  Each score 
C)  Descriptive Statistics 
D)  Frequency of each score 
A)  Frequency distribution 
B)  Each score 
C)  Descriptive Statistics 
D)  Frequency of each score

Question 6

What does the highest point in the frequency polygon show?

Accepted Answer

A)  It shows where most of the participants are clustered 
B)  It shows where the least of the participants are clustered 
C)  It shows where the highest score is 
D)  It shows where the lowest score is 
A)  It shows where most of the participants are clustered 
B)  It shows where the least of the participants are clustered 
C)  It shows where the highest score is 
D)  It shows where the lowest score is

Question 7

What kind of distribution is it in the case where the curve of a frequency polygon is high on the right side?

Accepted Answer

A)  Normal distribution 
B)  Positive skew distribution 
C)  Negative skew distribution 
A)  Normal distribution 
B)  Positive skew distribution 
C)  Negative skew distribution

Which of the following does NOT describe a normal curve, also known as the bell-shaped curve?

What is the table that shows how many participants have each score?

What kind of distribution is it in the case where the long tail of a frequency polygon is on the right side?

What shape of distribution (Normal, Positive skew, or Negative skew) would you expect for a polygon of the following data? a. The heights of women in a large population: b. Income c. A test with a large number of high scores d. The average annual rainfall in Los Angeles over the past 110 years:

What is the height of the curve at each score on the horizontal line of the frequency polygon based on?

What does the highest point in the frequency polygon show?

What kind of distribution is it in the case where the curve of a frequency polygon is high on the right side?

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

Frequencies, Percentages, and Proportions

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 10: Shapes of Distributions

Which of the following does NOT describe a normal curve, also known as the bell-shaped curve?

What is the table that shows how many participants have each score?

What kind of distribution is it in the case where the long tail of a frequency polygon is on the right side?

What is the height of the curve at each score on the horizontal line of the frequency polygon based on?

What does the highest point in the frequency polygon show?

What kind of distribution is it in the case where the curve of a frequency polygon is high on the right side?

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

Frequencies, Percentages, and Proportions

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