Question 1

A frequency distribution is a tabular summary of data showing the _____ of items in several classes.

Accepted Answer

A)  fraction 
B)  percentage 
C)  relative percentage 
D)  number 
A)  fraction 
B)  percentage 
C)  relative percentage 
D)  number

Question 2

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.   ​ Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

Accepted Answer

A)  10.5 
B)  28.8 
C)  30.0 
D)  40.4 
A)  10.5 
B)  28.8 
C)  30.0 
D)  40.4

Question 3

The sum of the relative frequencies for all classes will always equal

Accepted Answer

A)  the sample size. 
B)  100%. 
C)  one. 
D)  any value larger than one. 
A)  the sample size. 
B)  100%. 
C)  one. 
D)  any value larger than one.

Question 4

A cumulative frequency distribution is

Accepted Answer

A)  a tabular summary of a set of data showing the relative frequency. 
B)  a tabular summary of a set of data showing sums of frequencies. 
C)  a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes. 
D)  a graphical device for presenting categorical data. 
A)  a tabular summary of a set of data showing the relative frequency. 
B)  a tabular summary of a set of data showing sums of frequencies. 
C)  a tabular summary of a set of data showing the frequency of items in each of several nonoverlapping classes. 
D)  a graphical device for presenting categorical data.

Question 5

A graphical presentation of the relationship between two quantitative variables is​

Accepted Answer

A)  ​dot plot. 
B)  ​histogram. 
C)  ​stem-and-leaf display. 
D)  ​scatter diagram. 
A)  ​dot plot. 
B)  ​histogram. 
C)  ​stem-and-leaf display. 
D)  ​scatter diagram.

Question 6

The relative frequency of a class is computed by

Accepted Answer

A)  dividing the cumulative frequency of the class by the total number of elements in the data set. 
B)  dividing n by cumulative frequency of the class. 
C)  dividing the frequency of the class by the total number of elements in the data set. 
D)  dividing the frequency of the class by the number of classes. 
A)  dividing the cumulative frequency of the class by the total number of elements in the data set. 
B)  dividing n by cumulative frequency of the class. 
C)  dividing the frequency of the class by the total number of elements in the data set. 
D)  dividing the frequency of the class by the number of classes.

Question 7

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school.   ​ Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Accepted Answer

A)  28.77 
B)  10.5 
C)  40.38 
D)  71.23 
A)  28.77 
B)  10.5 
C)  40.38 
D)  71.23

A frequency distribution is a tabular summary of data showing the _____ of items in several classes.

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

The sum of the relative frequencies for all classes will always equal

A cumulative frequency distribution is

A graphical presentation of the relationship between two quantitative variables is

The relative frequency of a class is computed by

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Tests of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Index Numbers

Statistical Methods for Quality Control

Sample Survey

Filters

Exam 2: Descriptive Statistics: Tabular and Graphical Displays

A frequency distribution is a tabular summary of data showing the _____ of items in several classes.

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. ​ Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

The sum of the relative frequencies for all classes will always equal

A cumulative frequency distribution is

A graphical presentation of the relationship between two quantitative variables is​

The relative frequency of a class is computed by

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. ​ Of those students who are majoring in engineering, what percentage plans to go to graduate school?

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Comparing Multiple Proportions, Tests of Independence and Goodness of Fit

Experimental Design and Analysis of Variance

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Time Series Analysis and Forecasting

Nonparametric Methods

Decision Analysis

Index Numbers

Statistical Methods for Quality Control

Sample Survey

Filters

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are planning on going to graduate school, what percentage are majoring in engineering?

A graphical presentation of the relationship between two quantitative variables is

A survey of 800 college seniors resulted in the following crosstabulation regarding their undergraduate major and whether or not they plan to go to graduate school. Of those students who are majoring in engineering, what percentage plans to go to graduate school?