Question 1

The relative frequency of a class is computed by

Accepted Answer

A) dividing the cumulative frequency of the class by n 
B) dividing n by cumulative frequency of the class 
C) dividing the frequency of the class by n 
D) dividing the frequency of the class by the number of classes 
A) dividing the cumulative frequency of the class by n 
B) dividing n by cumulative frequency of the class 
C) dividing the frequency of the class by n 
D) dividing the frequency of the class by the number of classes

Question 2

Thirty students in the School of Business were asked what their majors were.The following represents their responses (M = Management;A = Accounting;E = Economics;O = Others).
   
a.Construct a frequency distribution and a bar chart.
b.Construct a relative frequency distribution and a pie chart.

Accepted Answer

The answer of Thirty students in the School of Business...

Question 3

Exhibit 2-1
The numbers of hours worked (per week)by 400 statistics students are shown below.
  
-Refer to Exhibit 2-1.The relative frequency of students working 9 hours or less

Accepted Answer

A) is 20 
B) is 100 
C) is 0.95 
D) 0.05 
A) is 20 
B) is 100 
C) is 0.95 
D) 0.05

Question 4

The difference between the lower class limits of adjacent classes provides the

Accepted Answer

A) number of classes 
B) class limits 
C) class midpoint 
D) class width 
A) number of classes 
B) class limits 
C) class midpoint 
D) class width

The relative frequency of a class is computed by

Thirty students in the School of Business were asked what their majors were.The following represents their responses (M = Management;A = Accounting;E = Economics;O = Others). a.Construct a frequency distribution and a bar chart. b.Construct a relative frequency distribution and a pie chart.

Exhibit 2-1 The numbers of hours worked (per week)by 400 statistics students are shown below. -Refer to Exhibit 2-1.The relative frequency of students working 9 hours or less

The difference between the lower class limits of adjacent classes provides the

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Statistical Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit and Independence

Analysis of Variance and Experimental Design

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Index Numbers

Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters

Exam 2: Descriptive Statistics: Tabular and Graphical Presentations

The relative frequency of a class is computed by

Thirty students in the School of Business were asked what their majors were.The following represents their responses (M = Management;A = Accounting;E = Economics;O = Others). a.Construct a frequency distribution and a bar chart. b.Construct a relative frequency distribution and a pie chart.

Exhibit 2-1 The numbers of hours worked (per week)by 400 statistics students are shown below. -Refer to Exhibit 2-1.The relative frequency of students working 9 hours or less

The difference between the lower class limits of adjacent classes provides the

Data and Statistics

Descriptive Statistics: Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Continuous Probability Distributions

Sampling and Sampling Distributions

Interval Estimation

Hypothesis Tests

Statistical Inference About Means and Proportions With Two Populations

Inferences About Population Variances

Tests of Goodness of Fit and Independence

Analysis of Variance and Experimental Design

Simple Linear Regression

Multiple Regression

Regression Analysis: Model Building

Index Numbers

Forecasting

Nonparametric Methods

Statistical Methods for Quality Control

Decision Analysis

Sample Survey

Filters