Question 1

Which of the following graphic devices is NOT appropriate for interval-ratio level data?

Accepted Answer

A) Histogram 
B) Frequency polygon 
C) Time-series chart 
D) Pie chart 
A) Histogram 
B) Frequency polygon 
C) Time-series chart 
D) Pie chart

Question 2

Which graphic device would be most appropriate to display information about the following statement? "Undocumented migration from Mexico to the United States has increased each decade from the end of the Bracero Accord in 1964 through 2005."

Accepted Answer

The answer of Which graphic device would be most appropriate...

Question 3

Which graphic device is best suited for comparing how an interval-ratio variable is distributed across two or more groups or time periods?

Accepted Answer

A) A histogram 
B) A pie chart 
C) A line graph 
D) A time-series chart 
A) A histogram 
B) A pie chart 
C) A line graph 
D) A time-series chart

Question 4

Using the following information from the U.S.Census Bureau,calculate both the number and percentage of non-white military reserve personnel.
   
The total number of military reserve personnel is 129,047.

Accepted Answer

The answer of Using the following information from the U.S.Census...

Question 5

What is the formula for a proportion?

Accepted Answer

A) p = f / N 
B) p = N / f 
C) p = (f / N)* 100 
D) p = (f / 100)* N 
A) p = f / N 
B) p = N / f 
C) p = (f / N)* 100 
D) p = (f / 100)* N

Question 6

Which of the following graphic devices is most appropriate for displaying interval-ratio level data?

Accepted Answer

A) A histogram 
B) A frequency polygon 
C) A bar graph 
D) A pie chart 
A) A histogram 
B) A frequency polygon 
C) A bar graph 
D) A pie chart

Question 7

Considering the information provided in the table below,do a higher percentage of whites or blacks have five or more children?

Accepted Answer

Blacks at

Question 8

The sum of all frequencies in a frequency distribution should sum to

Accepted Answer

A) 0. 
B) 1. 
C) 100. 
D) N. 
A) 0. 
B) 1. 
C) 100. 
D) N.

Question 9

Explain why the following statement is true: "When constructing a pie chart,the frequencies associated with each category must sum to N.Likewise,if working with proportions or percentages,these must sum to 1.0 or 100% respectively."

Accepted Answer

Students should discuss the ca

Question 10

In a sample of 100 people,57 completed only high school,23 went on to complete only some college,13 went on to complete a two-year or four-year college,and 7 went on to graduate school.What proportion of the sample does not have a two-year or four-year college degree?

Accepted Answer

A) 0.07 
B) 0.13 
C) 0.80 
D) 0.87 
A) 0.07 
B) 0.13 
C) 0.80 
D) 0.87

Question 11

Using the following information from the U.S.Census Bureau,calculate both the number and percentage of non-Asian military reserve personnel.
   
The total number of military reserve personnel is 129,047.

Accepted Answer

The answer of Using the following information from the U.S.Census...

Question 12

Fill in the empty cells in the following table.

Accepted Answer

The answer of Fill in the empty cells in the...

Question 13

Consider the table below obtained from the U.S.Bureau of the Census,Statistical Abstract of the United States,2003.If the total number of military reserve personnel is 129,047,how many Blacks and Latinos are in the military reserve?

Accepted Answer

The answer of Consider the table below obtained from the...

Question 14

Which of the following statements is true about time-series charts?

Accepted Answer

A) Time,usually measured in months or years,is placed on the vertical axis. 
B) The height of the bars is proportional to the frequency or percentage of observations. 
C) Frequencies or percentages are usually placed along the vertical axis. 
D) The changes in the variable must always increase over time. 
A) Time,usually measured in months or years,is placed on the vertical axis. 
B) The height of the bars is proportional to the frequency or percentage of observations. 
C) Frequencies or percentages are usually placed along the vertical axis. 
D) The changes in the variable must always increase over time.

Question 15

What is the formula for a percentage?

Accepted Answer

A) p = f/N 
B) p = N/f 
C) p = (f/N)100 
D) p = (N/f)100 
A) p = f/N 
B) p = N/f 
C) p = (f/N)100 
D) p = (N/f)100

Question 16

A graph showing the difference in frequencies or percentages among the categories of a nominal or an ordinal variable where the categories are displayed as rectangles of equal width with their height proportional to the frequency or percentage of the category is referred to as a

Accepted Answer

A) bar graph. 
B) pie chart. 
C) frequency polygon. 
D) histogram. 
A) bar graph. 
B) pie chart. 
C) frequency polygon. 
D) histogram.

Question 17

A survey of 3,055 respondents asked whether or not anyone had been widowed.Eighty persons responded "yes." What percentage of respondents have never been widowed?

Accepted Answer

A) 2.69 
B) 80.00 
C) 97.31 
D) 2,975 
A) 2.69 
B) 80.00 
C) 97.31 
D) 2,975

Question 18

Refer to the table below and construct a cumulative frequency distribution.Start with those who strongly disagree and work your way down through the remaining categories.

Accepted Answer

The answer of Refer to the table below and construct...

Question 19

In a sample of 250 respondents,females account for three-fifths of all observations in the sample.What is the total number of males in the sample?

Accepted Answer

A) 100 
B) 150 
C) 2/5 
D) 3/5 
A) 100 
B) 150 
C) 2/5 
D) 3/5

Question 20

Which of the following is NOT true about time-series charts?

Accepted Answer

A) Time,usually measured in months or years,is placed on the horizontal axis. 
B) The height of the bars is proportional to the frequency or percentage of observations. 
C) Frequencies or percentages are usually placed along the vertical axis. 
D) The values across the various time points are joined by a line. 
A) Time,usually measured in months or years,is placed on the horizontal axis. 
B) The height of the bars is proportional to the frequency or percentage of observations. 
C) Frequencies or percentages are usually placed along the vertical axis. 
D) The values across the various time points are joined by a line.

Which of the following graphic devices is NOT appropriate for interval-ratio level data?

Which graphic device would be most appropriate to display information about the following statement? "Undocumented migration from Mexico to the United States has increased each decade from the end of the Bracero Accord in 1964 through 2005."

Which graphic device is best suited for comparing how an interval-ratio variable is distributed across two or more groups or time periods?

Using the following information from the U.S.Census Bureau,calculate both the number and percentage of non-white military reserve personnel. The total number of military reserve personnel is 129,047.

What is the formula for a proportion?

Which of the following graphic devices is most appropriate for displaying interval-ratio level data?

Considering the information provided in the table below,do a higher percentage of whites or blacks have five or more children?

The sum of all frequencies in a frequency distribution should sum to

Explain why the following statement is true: "When constructing a pie chart,the frequencies associated with each category must sum to N.Likewise,if working with proportions or percentages,these must sum to 1.0 or 100% respectively."

In a sample of 100 people,57 completed only high school,23 went on to complete only some college,13 went on to complete a two-year or four-year college,and 7 went on to graduate school.What proportion of the sample does not have a two-year or four-year college degree?

Using the following information from the U.S.Census Bureau,calculate both the number and percentage of non-Asian military reserve personnel. The total number of military reserve personnel is 129,047.

Fill in the empty cells in the following table.

Consider the table below obtained from the U.S.Bureau of the Census,Statistical Abstract of the United States,2003.If the total number of military reserve personnel is 129,047,how many Blacks and Latinos are in the military reserve?

Which of the following statements is true about time-series charts?

What is the formula for a percentage?

A graph showing the difference in frequencies or percentages among the categories of a nominal or an ordinal variable where the categories are displayed as rectangles of equal width with their height proportional to the frequency or percentage of the category is referred to as a

A survey of 3,055 respondents asked whether or not anyone had been widowed.Eighty persons responded "yes." What percentage of respondents have never been widowed?

Refer to the table below and construct a cumulative frequency distribution.Start with those who strongly disagree and work your way down through the remaining categories.

In a sample of 250 respondents,females account for three-fifths of all observations in the sample.What is the total number of males in the sample?

Which of the following is NOT true about time-series charts?

The What and the Why of Statistics

Measures of Central Tendency

Measures of Variability

The Normal Distribution

Sampling and Sampling Distributions

Estimation

Testing Hypotheses

Bivariate Tables

The Chi-Square Test and Measures of Association

Analysis of Variance

Regression and Correlation

Filters

Exam 2: The Organization and Graphic Presentation of Data

Which of the following graphic devices is NOT appropriate for interval-ratio level data?

Which graphic device would be most appropriate to display information about the following statement? "Undocumented migration from Mexico to the United States has increased each decade from the end of the Bracero Accord in 1964 through 2005."

Which graphic device is best suited for comparing how an interval-ratio variable is distributed across two or more groups or time periods?

Using the following information from the U.S.Census Bureau,calculate both the number and percentage of non-white military reserve personnel. The total number of military reserve personnel is 129,047.

What is the formula for a proportion?

Which of the following graphic devices is most appropriate for displaying interval-ratio level data?

Considering the information provided in the table below,do a higher percentage of whites or blacks have five or more children?

The sum of all frequencies in a frequency distribution should sum to

Explain why the following statement is true: "When constructing a pie chart,the frequencies associated with each category must sum to N.Likewise,if working with proportions or percentages,these must sum to 1.0 or 100% respectively."

In a sample of 100 people,57 completed only high school,23 went on to complete only some college,13 went on to complete a two-year or four-year college,and 7 went on to graduate school.What proportion of the sample does not have a two-year or four-year college degree?

Using the following information from the U.S.Census Bureau,calculate both the number and percentage of non-Asian military reserve personnel. The total number of military reserve personnel is 129,047.

Fill in the empty cells in the following table.

Consider the table below obtained from the U.S.Bureau of the Census,Statistical Abstract of the United States,2003.If the total number of military reserve personnel is 129,047,how many Blacks and Latinos are in the military reserve?

Which of the following statements is true about time-series charts?

What is the formula for a percentage?

A graph showing the difference in frequencies or percentages among the categories of a nominal or an ordinal variable where the categories are displayed as rectangles of equal width with their height proportional to the frequency or percentage of the category is referred to as a

A survey of 3,055 respondents asked whether or not anyone had been widowed.Eighty persons responded "yes." What percentage of respondents have never been widowed?

Refer to the table below and construct a cumulative frequency distribution.Start with those who strongly disagree and work your way down through the remaining categories.

In a sample of 250 respondents,females account for three-fifths of all observations in the sample.What is the total number of males in the sample?

Which of the following is NOT true about time-series charts?

The What and the Why of Statistics

Measures of Central Tendency

Measures of Variability

The Normal Distribution

Sampling and Sampling Distributions

Estimation

Testing Hypotheses

Bivariate Tables

The Chi-Square Test and Measures of Association

Analysis of Variance

Regression and Correlation

Filters