Question 1

Grouped frequency distribution tables are used for variables measured at the ordinal level of measurement.

Accepted Answer

A) True 
 B)False

Question 2

Which of these is NOT a reason why researchers examine data they have collected?

Accepted Answer

A)  to evaluate their research methodology 
B)  to assess the shape of the distribution of scores 
C)  to draw inferences about populations 
D)  to detect outliers 
A)  to evaluate their research methodology 
B)  to assess the shape of the distribution of scores 
C)  to draw inferences about populations 
D)  to detect outliers

Question 3

Which of the following BEST describes the shape of this distribution?

Accepted Answer

A)  skewed 
B)  symmetrical 
C)  bimodal 
D)  asymmetrical 
A)  skewed 
B)  symmetrical 
C)  bimodal 
D)  asymmetrical

Question 4

After grading an examination, an instructor realizes there is a wide range of ability among her students. She reaches this conclusion because the shape of the distribution is ______.

Accepted Answer

A)  flat 
B)  skewed 
C)  abnormal 
D)  peaked 
A)  flat 
B)  skewed 
C)  abnormal 
D)  peaked

Question 5

Which of the following is included in the APA guidelines for creating figures?

Accepted Answer

A)  The figure should include a title that describes the contents of the figure. 
B)  The labels for the X and Y-axes are short enough to fit on one line along the axes. 
C)  The X axis contains the frequency of the variable and the Y axis contains the value of the variable. 
D)  The Y-axis starts with the value 0 and is divided into equally spaced values or intervals. 
A)  The figure should include a title that describes the contents of the figure. 
B)  The labels for the X and Y-axes are short enough to fit on one line along the axes. 
C)  The X axis contains the frequency of the variable and the Y axis contains the value of the variable. 
D)  The Y-axis starts with the value 0 and is divided into equally spaced values or intervals.

Question 6

In constructing figures such as bar charts and frequency polygons, the American Psychological Association recommends that ______.

Accepted Answer

A)  figures be numbered using letters (Figure A, Figure B, etc.) 
B)  figures have a rectangular shape, with the length of the horizontal (X) axis greater than the height of the vertical (Y) axis 
C)  labels along the X and Y axes be written in all capital letters (i.e., MALE, FEMAL
E)  
D)  the vertical axis (Y-axis) be divided into 2-3 values of the variable 
A)  figures be numbered using letters (Figure A, Figure B, etc.) 
B)  figures have a rectangular shape, with the length of the horizontal (X) axis greater than the height of the vertical (Y) axis 
C)  labels along the X and Y axes be written in all capital letters (i.e., MALE, FEMAL
E)  
D)  the vertical axis (Y-axis) be divided into 2-3 values of the variable

Question 7

Filling in the blanks in this frequency distribution table, ______ of this sample took physics; on the other hand, ______took chemistry.

Accepted Answer

A)  49; 53.2% 
B)  49; 35.3% 
C)  30; 31.7% 
D)  30; 45.3% 
A)  49; 53.2% 
B)  49; 35.3% 
C)  30; 31.7% 
D)  30; 45.3%

Question 8

Which of these is NOT one of the three aspects of distributions discussed in the textbook?

Accepted Answer

A)  variability 
B)  frequency 
C)  symmetry 
D)  modality 
A)  variability 
B)  frequency 
C)  symmetry 
D)  modality

Question 9

Which of the following is a reason why researchers examine the data they have collected?

Accepted Answer

A)  to calculate measures of central tendency and variability 
B)  to detect coding or data entry errors 
C)  to test their research hypotheses 
D)  to draw inferences about populations. 
A)  to calculate measures of central tendency and variability 
B)  to detect coding or data entry errors 
C)  to test their research hypotheses 
D)  to draw inferences about populations.

Question 10

A pollster finds that people are either strongly in favor of abortion or are strongly opposed. Which of these BEST describes the distribution of salaries?   A   B   C   D

Accepted Answer

A)  A 
B)  B 
C)  C 
D)  D 
A)  A 
B)  B 
C)  C 
D)  D

Question 11

Which of the following BEST describes the shape of the distribution? 9, 4, 1, 6, 9, 8, 11, 9, 8, 9, 7

Accepted Answer

A)  skewed 
B)  bimodal 
C)  symmetrical 
D)  flat 
A)  skewed 
B)  bimodal 
C)  symmetrical 
D)  flat

Question 12

Which of these is NOT a reason why researchers examine data they have collected?

Accepted Answer

A)  to evaluate their research methodology 
B)  to assess the shape of the distribution of scores 
C)  to detect outliers 
D)  to prove their research hypotheses 
A)  to evaluate their research methodology 
B)  to assess the shape of the distribution of scores 
C)  to detect outliers 
D)  to prove their research hypotheses

Question 13

You would use a ______ to illustrate data for the variable "Number of siblings."

Accepted Answer

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

Question 14

You would use a ______ to illustrate the data in this frequency distribution table because the variable is measured at the ______ level of measurement

Accepted Answer

A)  frequency polygon; ordinal 
B)  bar chart; nominal 
C)  histogram; interval 
D)  pie graph; ratio 
A)  frequency polygon; ordinal 
B)  bar chart; nominal 
C)  histogram; interval 
D)  pie graph; ratio

Question 15

Which level of measurement of data would be BEST suited to construct a grouped frequency distribution?

Accepted Answer

A)  dichotomous 
B)  nominal 
C)  ordinal 
D)  interval 
A)  dichotomous 
B)  nominal 
C)  ordinal 
D)  interval

Question 16

Filling in the blanks in this frequency distribution table, ______ of this sample selected 'Lunch'; this represents ______ of the sample.

Accepted Answer

A)  31; 52.5% 
B)  31; 86.4% 
C)  28; 47.5% 
D)  59; 52.5% 
A)  31; 52.5% 
B)  31; 86.4% 
C)  28; 47.5% 
D)  59; 52.5%

Question 17

You would use a ______ to illustrate the data in this frequency distribution table.

Accepted Answer

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

Question 18

Which of these is a reason why researchers examine data by creating tables and figures?

Accepted Answer

A)  to prove their research hypotheses 
B)  to define their independent and dependent variables 
C)  to detect outliers 
D)  to draw conclusions about populations 
A)  to prove their research hypotheses 
B)  to define their independent and dependent variables 
C)  to detect outliers 
D)  to draw conclusions about populations

Question 19

Filling in the blanks in this frequency distribution table, ______ of this sample work 0-10 hours per week; this represents ______ of the sample.

Accepted Answer

A)  16; .19% 
B)  70; 81.8% 
C)  16; 18.6% 
D)  Cannot be determined with information provided 
A)  16; .19% 
B)  70; 81.8% 
C)  16; 18.6% 
D)  Cannot be determined with information provided

Question 20

Filling in the blanks in this frequency distribution table, the percentage ('%') for 2 arrests is ______; the cumulative percent ('Cum %') associated with 2 arrests is ______.

Accepted Answer

A)  5.0%; 90.0% 
B)  15.0%; 90.0% 
C)  20.0%; 95.0% 
D)  90.0%; 15.0% 
A)  5.0%; 90.0% 
B)  15.0%; 90.0% 
C)  20.0%; 95.0% 
D)  90.0%; 15.0%

Grouped frequency distribution tables are used for variables measured at the ordinal level of measurement.

Which of these is NOT a reason why researchers examine data they have collected?

Which of the following BEST describes the shape of this distribution?

After grading an examination, an instructor realizes there is a wide range of ability among her students. She reaches this conclusion because the shape of the distribution is ______.

Which of the following is included in the APA guidelines for creating figures?

In constructing figures such as bar charts and frequency polygons, the American Psychological Association recommends that ______.

Filling in the blanks in this frequency distribution table, of this sample took physics; on the other hand, took chemistry.

Which of these is NOT one of the three aspects of distributions discussed in the textbook?

Which of the following is a reason why researchers examine the data they have collected?

A pollster finds that people are either strongly in favor of abortion or are strongly opposed. Which of these BEST describes the distribution of salaries? A B C D

Which of the following BEST describes the shape of the distribution? 9, 4, 1, 6, 9, 8, 11, 9, 8, 9, 7

Which of these is NOT a reason why researchers examine data they have collected?

You would use a ______ to illustrate data for the variable "Number of siblings."

You would use a to illustrate the data in this frequency distribution table because the variable is measured at the level of measurement

Which level of measurement of data would be BEST suited to construct a grouped frequency distribution?

Filling in the blanks in this frequency distribution table, of this sample selected 'Lunch'; this represents of the sample.

You would use a ______ to illustrate the data in this frequency distribution table.

Which of these is a reason why researchers examine data by creating tables and figures?

Filling in the blanks in this frequency distribution table, of this sample work 0-10 hours per week; this represents of the sample.

Filling in the blanks in this frequency distribution table, the percentage ('%') for 2 arrests is ; the cumulative percent ('Cum %') associated with 2 arrests is .

Introduction to Statistics

Measures of Central Tendency

Measures of Variability

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Testing the Difference Between Two Means

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Chi-Square

Filters

Exam 2: Examining Data: Tables and Figures

Grouped frequency distribution tables are used for variables measured at the ordinal level of measurement.

Which of these is NOT a reason why researchers examine data they have collected?

Which of the following BEST describes the shape of this distribution?

After grading an examination, an instructor realizes there is a wide range of ability among her students. She reaches this conclusion because the shape of the distribution is ______.

Which of the following is included in the APA guidelines for creating figures?

In constructing figures such as bar charts and frequency polygons, the American Psychological Association recommends that ______.

Filling in the blanks in this frequency distribution table, ______ of this sample took physics; on the other hand, ______took chemistry.

Which of these is NOT one of the three aspects of distributions discussed in the textbook?

Which of the following is a reason why researchers examine the data they have collected?

A pollster finds that people are either strongly in favor of abortion or are strongly opposed. Which of these BEST describes the distribution of salaries? A B C D

Which of the following BEST describes the shape of the distribution? 9, 4, 1, 6, 9, 8, 11, 9, 8, 9, 7

Which of these is NOT a reason why researchers examine data they have collected?

You would use a ______ to illustrate data for the variable "Number of siblings."

You would use a ______ to illustrate the data in this frequency distribution table because the variable is measured at the ______ level of measurement

Which level of measurement of data would be BEST suited to construct a grouped frequency distribution?

Filling in the blanks in this frequency distribution table, ______ of this sample selected 'Lunch'; this represents ______ of the sample.

You would use a ______ to illustrate the data in this frequency distribution table.

Which of these is a reason why researchers examine data by creating tables and figures?

Filling in the blanks in this frequency distribution table, ______ of this sample work 0-10 hours per week; this represents ______ of the sample.

Filling in the blanks in this frequency distribution table, the percentage ('%') for 2 arrests is ______; the cumulative percent ('Cum %') associated with 2 arrests is ______.

Introduction to Statistics

Measures of Central Tendency

Measures of Variability

Normal Distributions

Probability and Hypothesis Testing

Testing One Sample Mean

Estimating the Mean of a Population

Testing the Difference Between Two Means

Errors in Hypothesis Testing, Statistical Power, and Effect Size

One-Way Analysis of Variance Anova

Two-Way Analysis of Variance Anova

Correlation

Linear Regression and Multiple Correlation

Chi-Square

Filters

Filling in the blanks in this frequency distribution table, of this sample took physics; on the other hand, took chemistry.

You would use a to illustrate the data in this frequency distribution table because the variable is measured at the level of measurement

Filling in the blanks in this frequency distribution table, of this sample selected 'Lunch'; this represents of the sample.

Filling in the blanks in this frequency distribution table, of this sample work 0-10 hours per week; this represents of the sample.

Filling in the blanks in this frequency distribution table, the percentage ('%') for 2 arrests is ; the cumulative percent ('Cum %') associated with 2 arrests is .