Question 1

In frequency histograms,the frequencies associated with score values are labeled along the ______,and the score values are labeled along the ____.

Accepted Answer

A) abscissa;ordinate 
B) bottom;side 
C) ordinate;abscissa 
D) horizontal axis;vertical axis 
A) abscissa;ordinate 
B) bottom;side 
C) ordinate;abscissa 
D) horizontal axis;vertical axis

Question 2

How does a frequency polygon differ from a frequency histogram?

Accepted Answer

A frequency polygon is similar to a freq

Question 3

Frequency polygons differ from frequency histograms in that bars are not used,but rather,solid dots corresponding to the appropriate frequencies are placed directly above the score values.

Accepted Answer

A) True 
 B)False

Question 4

Statisticians conceptualize a probability distribution of a discrete variable in terms of a probability density function.

Accepted Answer

A) True 
 B)False

Question 5

The concept of a probability density function is used with a

Accepted Answer

A) qualitative variable. 
B) nominal variable. 
C) continuous variable. 
D) none of the above 
A) qualitative variable. 
B) nominal variable. 
C) continuous variable. 
D) none of the above

Question 6

What is the normal distribution?

Accepted Answer

The normal distribution is one very impo

Question 7

A frequency polygon is typically used when the variable of interest is _____.

Accepted Answer

A) discrete 
B) nominal 
C) qualitative 
D) continuous 
A) discrete 
B) nominal 
C) qualitative 
D) continuous

Question 8

A line plot is a type of stem and leaf plot.

Accepted Answer

A) True 
 B)False

Question 9

Bar graphs are used to represent data that is quantitative in nature.

Accepted Answer

A) True 
 B)False

Question 10

Statisticians conceptualize a probability distribution of a _____ in terms of a probability density function.

Accepted Answer

A) qualitative variable 
B) discrete variable 
C) density slope 
D) continuous variable 
A) qualitative variable 
B) discrete variable 
C) density slope 
D) continuous variable

Question 11

When grouping data in a frequency distribution the interval size should always be 6.

Accepted Answer

A) True 
 B)False

Question 12

Cumulative relative frequencies are not appropriate for ____ variables.

Accepted Answer

A) quantitative 
B) qualitative 
C) discrete 
A) quantitative 
B) qualitative 
C) discrete

Question 13

The Human resource department wants to determine the frequency of sick days for 8 employees' that make up their department.Below is their data  
What is the relative frequency for being sick 8 days?

Accepted Answer

A) .375 
B) 1.00 
C) .125 
D) None of these 
A) .375 
B) 1.00 
C) .125 
D) None of these

Question 14

Briefly describe what a frequency distribution is and how to construct one.

Accepted Answer

A frequency distribution is a table that

Question 15

An outlier is a case or set of cases that shows an average score relative to the majority of cases in the data set.

Accepted Answer

A) True 
 B)False

Question 16

A frequency distribution cannot be created for qualitative data,because these variables are not measured on any mathematical scale.

Accepted Answer

A) True 
 B)False

Question 17

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students.  
What proportion of students were absent for 3 or less days?

Accepted Answer

A) .08 
B) .40 
C) .48 
D) .60 
A) .08 
B) .40 
C) .48 
D) .60

Question 18

If a variable is continuous,the vertical boundaries of the bar for a given score will represent the absolute frequency of that score.

Accepted Answer

A) True 
 B)False

Question 19

Empirical distributions taken from a sample of the population may have______ .

Accepted Answer

A) too many subjects 
B) outliers 
C) quantitative data only 
D) None of the above 
A) too many subjects 
B) outliers 
C) quantitative data only 
D) None of the above

Question 20

A stem and leaf plot is used to graph probability distributions.

Accepted Answer

A) True 
 B)False

In frequency histograms,the frequencies associated with score values are labeled along the __,and the score values are labeled along the .

How does a frequency polygon differ from a frequency histogram?

Frequency polygons differ from frequency histograms in that bars are not used,but rather,solid dots corresponding to the appropriate frequencies are placed directly above the score values.

Statisticians conceptualize a probability distribution of a discrete variable in terms of a probability density function.

The concept of a probability density function is used with a

What is the normal distribution?

A frequency polygon is typically used when the variable of interest is _____.

A line plot is a type of stem and leaf plot.

Bar graphs are used to represent data that is quantitative in nature.

Statisticians conceptualize a probability distribution of a _____ in terms of a probability density function.

When grouping data in a frequency distribution the interval size should always be 6.

Cumulative relative frequencies are not appropriate for ____ variables.

The Human resource department wants to determine the frequency of sick days for 8 employees' that make up their department.Below is their data What is the relative frequency for being sick 8 days?

Briefly describe what a frequency distribution is and how to construct one.

An outlier is a case or set of cases that shows an average score relative to the majority of cases in the data set.

A frequency distribution cannot be created for qualitative data,because these variables are not measured on any mathematical scale.

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What proportion of students were absent for 3 or less days?

If a variable is continuous,the vertical boundaries of the bar for a given score will represent the absolute frequency of that score.

Empirical distributions taken from a sample of the population may have______ .

A stem and leaf plot is used to graph probability distributions.

Introduction and Mathematical Preliminaries

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T -Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

Exam 2: Frequency and Probability Distributions

In frequency histograms,the frequencies associated with score values are labeled along the ______,and the score values are labeled along the ____.

How does a frequency polygon differ from a frequency histogram?

Frequency polygons differ from frequency histograms in that bars are not used,but rather,solid dots corresponding to the appropriate frequencies are placed directly above the score values.

Statisticians conceptualize a probability distribution of a discrete variable in terms of a probability density function.

The concept of a probability density function is used with a

What is the normal distribution?

A frequency polygon is typically used when the variable of interest is _____.

A line plot is a type of stem and leaf plot.

Bar graphs are used to represent data that is quantitative in nature.

Statisticians conceptualize a probability distribution of a _____ in terms of a probability density function.

When grouping data in a frequency distribution the interval size should always be 6.

Cumulative relative frequencies are not appropriate for ____ variables.

The Human resource department wants to determine the frequency of sick days for 8 employees' that make up their department.Below is their data What is the relative frequency for being sick 8 days?

Briefly describe what a frequency distribution is and how to construct one.

An outlier is a case or set of cases that shows an average score relative to the majority of cases in the data set.

A frequency distribution cannot be created for qualitative data,because these variables are not measured on any mathematical scale.

Below is a frequency distribution of the number of days absent from school in a group of 25 fifth-grade students. What proportion of students were absent for 3 or less days?

If a variable is continuous,the vertical boundaries of the bar for a given score will represent the absolute frequency of that score.

Empirical distributions taken from a sample of the population may have______ .

A stem and leaf plot is used to graph probability distributions.

Introduction and Mathematical Preliminaries

Percentiles percentile Ranks standard Scores and the Normal Distribution

Pearson Correlation and Regression: Descriptive Aspects

Measures of Central Tendency and Variability

Estimation and Sampling Distributions

Hypothesis Testing: Inferences About a Single Mean

Probability

Principles of Research Design and Statistical Preliminaries for Analyzing Bivariate Relationships

Independent Groups T -Test

Correlated Groups T-Test

One-Way Repeated Measures Analysis of Variance

Pearson Correlation and Regression: Inferential Aspects

Chi-Square Test

Nonparametric Statistics

Two-Way Between-Subjects Analysis of Variance

Overview and Extension: Statistical Tests for More Complex Designs

Filters

In frequency histograms,the frequencies associated with score values are labeled along the __,and the score values are labeled along the .