Question 1

One characteristic of "paired variables" is that:

Accepted Answer

A)  one variable is a negative value and the other is a positive value 
B)  both variables are positive values 
C)  each variable has the same number of observations 
D)  each variable has a different number of observations 
A)  one variable is a negative value and the other is a positive value 
B)  both variables are positive values 
C)  each variable has the same number of observations 
D)  each variable has a different number of observations

Question 2

A recent survey collected data from 1000 randomly selected Internet users. The characteristics of the users include their gender, age, education, marital status, and annual income. Using ExcelS1U1P1®S1S1P0, the following pivot tables are produced.
​  
-Approximate the percentage of these Internet users who are men under the age of 30.

Accepted Answer

The answer of A recent survey collected data from 1000...

Question 3

The four areas of a pivot table are:

Accepted Answer

A)  Crosstabs, Fields, Rows, and Columns 
B)  Data, Count, Contingency, and Percentage 
C)  Filters, Rows, Columns, and Values 
D)  Sort, Rows, Columns, and Count 
A)  Crosstabs, Fields, Rows, and Columns 
B)  Data, Count, Contingency, and Percentage 
C)  Filters, Rows, Columns, and Values 
D)  Sort, Rows, Columns, and Count

Question 4

A sample of 150 students at a state university was taken after the final business statistics exam to ask them whether they went partying the weekend before the final or spent the weekend studying, and whether they did well or poorly on the final. The following table contains the result.  
-Of those in the sample who went partying the weekend before the final exam, what percentage of them did well in the exam?

Accepted Answer

22 out of

Question 5

Economists believe that historically, countries with more income inequality have had lower unemployment rates. For example, an economist in 1996 developed the table below containing the following information for 10 countries during the 1980-1995 time period:
· The change from 1980 to 1995 in ratio of the average wage of the top 10% of all wage earners to the median wage
· The change from 1980 to 1995 in unemployment rate.
Income inequality vs. Unemployment rate  
-Explain why the ratio of the average wage of the top 10% of all wage earners to the median measures income inequality.

Accepted Answer

If this ratio is high, then a relatively

One characteristic of "paired variables" is that:

The four areas of a pivot table are:

Introduction to Business Analytics

Describing the Distribution of a Single Variable

Probability and Probability Distributions

Normal, Binomial, Poisson, and Exponential Distributions

Decision Making Under Uncertainty

Sampling and Sampling Distributions

Confidence Interval Estimation

Hypothesis Testing

Regression Analysis: Estimating Relationships

Regression Analysis: Statistical Inference

Time Series Analysis and Forecasting

Introduction to Optimization Modeling

Optimization Models

Introduction to Simulation Modeling

Simulation Models

Data Mining

Importing Data Into Excel

Analysis of Variance and Experimental Design

Statistical Process Control

Filters

Exam 3: Finding Relationships Among Variables

One characteristic of "paired variables" is that:

The four areas of a pivot table are:

Introduction to Business Analytics

Describing the Distribution of a Single Variable

Probability and Probability Distributions

Normal, Binomial, Poisson, and Exponential Distributions

Decision Making Under Uncertainty

Sampling and Sampling Distributions

Confidence Interval Estimation

Hypothesis Testing

Regression Analysis: Estimating Relationships

Regression Analysis: Statistical Inference

Time Series Analysis and Forecasting

Introduction to Optimization Modeling

Optimization Models

Introduction to Simulation Modeling

Simulation Models

Data Mining

Importing Data Into Excel

Analysis of Variance and Experimental Design

Statistical Process Control

Filters