Question 1

A scatter diagram can show whether a pair of variables has a strong or weak relationship,and also whether it is linear or curved.

Accepted Answer

A) True 
 B)False

Question 2

Which of the following is a key difference between a bar chart and a histogram?

Accepted Answer

A) A bar chart typically has gaps between the bars while a histogram has no gaps. 
B) A bar chart is developed to analyze a continuous variable,while a histogram is used to analyze discrete variables. 
C) Both A and B are correct. 
D) There is actually no real difference between a bar chart and a histogram. 
A) A bar chart typically has gaps between the bars while a histogram has no gaps. 
B) A bar chart is developed to analyze a continuous variable,while a histogram is used to analyze discrete variables. 
C) Both A and B are correct. 
D) There is actually no real difference between a bar chart and a histogram.

Question 3

When the Histogram tool in Excel is used to construct a frequency distribution and histogram,the default histogram is in the proper format and will require only that you add appropriate labels.

Accepted Answer

A) True 
 B)False

Question 4

A histogram is used to display which of the following characteristics for a quantitative variable?

Accepted Answer

A) The approximate center of the data 
B) The spread in the data 
C) The shape of the distribution 
D) All of the above. 
A) The approximate center of the data 
B) The spread in the data 
C) The shape of the distribution 
D) All of the above.

Question 5

In a recent study of retail daily sales by stores at a mall in Kansas,the minimum daily sales was $700 and the maximum was $51,000.If you wish to construct a frequency distribution with 10 classes,the minimum class width would be $5,100.

Accepted Answer

A) True 
 B)False

Question 6

In situations involving two or more variables,both histograms and bar charts can be used for multiple variables on the same graph.

Accepted Answer

A) True 
 B)False

Question 7

Scatter diagrams can be used for either quantitative or qualitative data.

Accepted Answer

A) True 
 B)False

Question 8

In Excel,joint frequency distributions can be generated using the Pivot Table feature under the Data tab.

Accepted Answer

A) True 
 B)False

Question 9

A scatter diagram can be used to do which of the following?

Accepted Answer

A) Determine the trend in a variable 
B) Analyze the relationship between two variables 
C) Describe the basic distribution for a quantitative variable 
D) Show the percentage of a variable that is associated with each category into which that variable has been divided 
A) Determine the trend in a variable 
B) Analyze the relationship between two variables 
C) Describe the basic distribution for a quantitative variable 
D) Show the percentage of a variable that is associated with each category into which that variable has been divided

Question 10

A histogram can be used to display a joint frequency distribution between two quantitative variables.

Accepted Answer

A) True 
 B)False

Question 11

A histogram can be created for discrete or continuous data.

Accepted Answer

A) True 
 B)False

Question 12

When developing a scatter diagram,it is appropriate to connect the points on the graph with straight lines or the lines can be omitted.

Accepted Answer

A) True 
 B)False

Question 13

In a study involving car owners,one question asked the owner for the number of miles driven last year.A second question asked the owner for the age of the vehicle.A joint frequency distribution would be useful for determining whether newer cars tend to be driven more miles than older cars.

Accepted Answer

A) True 
 B)False

Question 14

Frequency distributions are specifically for analyzing discrete data.

Accepted Answer

A) True 
 B)False

Question 15

The sales manager at Western Furniture Company tracked data on the number of customers who came into the store each day and the total dollar volume of sales at the store during the same day.She is considering putting together a report for top management and wishes to show the relationship between these two variables.Which of the following graphs would likely be most useful? She has a sample of 36 days worth of data.

Accepted Answer

A) Scatter diagram 
B) Bar chart 
C) Frequency histogram 
D) Pie chart 
A) Scatter diagram 
B) Bar chart 
C) Frequency histogram 
D) Pie chart

Question 16

One way to develop a frequency distribution using Excel is to use the Frequency function.

Accepted Answer

A) True 
 B)False

Question 17

To show how the price of a stock has changed over the last 3 months,the best type of chart to use is:

Accepted Answer

A) a pie chart. 
B) a histogram. 
C) a line chart. 
D) a bar chart. 
A) a pie chart. 
B) a histogram. 
C) a line chart. 
D) a bar chart.

Question 18

If a scatter diagram shows points that are reasonably aligned and are sloping downward from left to right,this implies that there is a negative linear relationship between the two variables.

Accepted Answer

A) True 
 B)False

Question 19

One characteristic of a bar chart is:

Accepted Answer

A) the bars can be displayed either vertically or horizontally. 
B) there can be no gaps between the bars. 
C) it is used to display the distribution of a continuous variable. 
D) it shows cumulative frequency. 
A) the bars can be displayed either vertically or horizontally. 
B) there can be no gaps between the bars. 
C) it is used to display the distribution of a continuous variable. 
D) it shows cumulative frequency.

Question 20

Suppose you are given the following data.
   If you wish to have a histogram with five classes,what should the first class limits be?

Accepted Answer

The first class limits can be determined

A scatter diagram can show whether a pair of variables has a strong or weak relationship,and also whether it is linear or curved.

Which of the following is a key difference between a bar chart and a histogram?

When the Histogram tool in Excel is used to construct a frequency distribution and histogram,the default histogram is in the proper format and will require only that you add appropriate labels.

A histogram is used to display which of the following characteristics for a quantitative variable?

In a recent study of retail daily sales by stores at a mall in Kansas,the minimum daily sales was $700 and the maximum was $51,000.If you wish to construct a frequency distribution with 10 classes,the minimum class width would be $5,100.

In situations involving two or more variables,both histograms and bar charts can be used for multiple variables on the same graph.

Scatter diagrams can be used for either quantitative or qualitative data.

In Excel,joint frequency distributions can be generated using the Pivot Table feature under the Data tab.

A scatter diagram can be used to do which of the following?

A histogram can be used to display a joint frequency distribution between two quantitative variables.

A histogram can be created for discrete or continuous data.

When developing a scatter diagram,it is appropriate to connect the points on the graph with straight lines or the lines can be omitted.

In a study involving car owners,one question asked the owner for the number of miles driven last year.A second question asked the owner for the age of the vehicle.A joint frequency distribution would be useful for determining whether newer cars tend to be driven more miles than older cars.

Frequency distributions are specifically for analyzing discrete data.

One way to develop a frequency distribution using Excel is to use the Frequency function.

To show how the price of a stock has changed over the last 3 months,the best type of chart to use is:

If a scatter diagram shows points that are reasonably aligned and are sloping downward from left to right,this implies that there is a negative linear relationship between the two variables.

One characteristic of a bar chart is:

Suppose you are given the following data. If you wish to have a histogram with five classes,what should the first class limits be?

The Where,Why,and How of Data Collection

Describing Data Using Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Introduction to Continuous Probability Distributions

Introduction to Sampling Distributions

Estimating Single Population Parameters

Introduction to Hypothesis Testing

Estimation and Hypothesis Testing for Two Population Parameters

Hypothesis Tests and Estimation for Population Variances

Analysis of Variance

Goodness-Of-Fit Tests and Contingency Analysis

Introduction to Linear Regression and Correlation Analysis

Multiple Regression Analysis and Model Building

Analyzing and Forecasting Time-Series Data

Introduction to Nonparametric Statistics

Introduction to Quality and Statistical Process Control

Filters

Exam 2: Graphs,Charts and Tablesdescribing Your Data

A scatter diagram can show whether a pair of variables has a strong or weak relationship,and also whether it is linear or curved.

Which of the following is a key difference between a bar chart and a histogram?

When the Histogram tool in Excel is used to construct a frequency distribution and histogram,the default histogram is in the proper format and will require only that you add appropriate labels.

A histogram is used to display which of the following characteristics for a quantitative variable?

In a recent study of retail daily sales by stores at a mall in Kansas,the minimum daily sales was $700 and the maximum was $51,000.If you wish to construct a frequency distribution with 10 classes,the minimum class width would be $5,100.

In situations involving two or more variables,both histograms and bar charts can be used for multiple variables on the same graph.

Scatter diagrams can be used for either quantitative or qualitative data.

In Excel,joint frequency distributions can be generated using the Pivot Table feature under the Data tab.

A scatter diagram can be used to do which of the following?

A histogram can be used to display a joint frequency distribution between two quantitative variables.

A histogram can be created for discrete or continuous data.

When developing a scatter diagram,it is appropriate to connect the points on the graph with straight lines or the lines can be omitted.

In a study involving car owners,one question asked the owner for the number of miles driven last year.A second question asked the owner for the age of the vehicle.A joint frequency distribution would be useful for determining whether newer cars tend to be driven more miles than older cars.

Frequency distributions are specifically for analyzing discrete data.

One way to develop a frequency distribution using Excel is to use the Frequency function.

To show how the price of a stock has changed over the last 3 months,the best type of chart to use is:

If a scatter diagram shows points that are reasonably aligned and are sloping downward from left to right,this implies that there is a negative linear relationship between the two variables.

One characteristic of a bar chart is:

Suppose you are given the following data. If you wish to have a histogram with five classes,what should the first class limits be?

The Where,Why,and How of Data Collection

Describing Data Using Numerical Measures

Introduction to Probability

Discrete Probability Distributions

Introduction to Continuous Probability Distributions

Introduction to Sampling Distributions

Estimating Single Population Parameters

Introduction to Hypothesis Testing

Estimation and Hypothesis Testing for Two Population Parameters

Hypothesis Tests and Estimation for Population Variances

Analysis of Variance

Goodness-Of-Fit Tests and Contingency Analysis

Introduction to Linear Regression and Correlation Analysis

Multiple Regression Analysis and Model Building

Analyzing and Forecasting Time-Series Data

Introduction to Nonparametric Statistics

Introduction to Quality and Statistical Process Control

Filters