Exam 3: Graphical Descriptive Techniques 2

The techniques of shrinking the horizontal axis or stretching the vertical axis have the effect of making the slope of the graph visually (but not numerically)steeper.

(True/False)

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Question 81

The following graph shows pepper prices throughout a 12-month period. Suppose you made a new graph of the same data,where the maximum value on the Y-axis was changed from 5.0 to 10.0.(Assume everything else stays the same.) Your new graph would appear to have ____ variability in pepper prices compared to the original graph shown above.

(Multiple Choice)

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Question 82

A modal class in a histogram is the class that includes

(Multiple Choice)

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Question 83

How do you determine whether two interval variables have a positive linear relationship?

(Multiple Choice)

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Question 84

Beef prices throughout the year (month 1 = January)are shown in the line chart below (per pound).Describe beef prices for this given year using this line chart.

(Essay)

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Question 85

Which of the following statements describes a line chart?

(Multiple Choice)

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Question 86

Possible methods of creating distorted impressions with bar charts include:

(Multiple Choice)

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Question 87

Briefly discuss the difference between cross-sectional data and time-series data.

(Essay)

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Question 88

Which of the following characteristics apply to achieve graphical excellence?

(Multiple Choice)

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Question 89

An individual's income depends somewhat on their number of years of education.Accordingly,we identify income as the variable,and years of education as the variable.

(Short Answer)

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Question 90

In its 2000 report,a company presented the following data regarding its sales (in millions of dollars),and net income (in millions of dollars). The bar chart below was used to present these data. Assume that you are an unscrupulous statistician and want to make the data appear more positive than they really are.Redraw the graph by being selective about which years to include,getting the desired effect.

(Essay)

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Question 91

Electronics Company At a meeting of regional offices managers of a national electronics company,a survey was taken to determine the number of employees the regional managers supervise in the operation of their departments.The results of the survey are shown below. -{Electronics Company Narrative} How many regional offices are represented in the survey results?

(Short Answer)

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Question 92

The line chart below shows cucumber prices fluctuated from $2.00 per pound to over $4.50 per pound during the year.

(True/False)

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Question 93

What are the two most important characteristics to look for in a scatter diagram?

(Essay)

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Question 94

Slopes and trends in a line chart appear to be steeper if you ____________________ the horizontal (time)axis.

(Short Answer)

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Question 95

The number of houses sold in Miami Springs and the average monthly mortgage rates for 18 months randomly selected between January 2011 and April 2013 are shown in the following table. a.Draw a scatter diagram with the number of houses sold on the vertical axis. b.Describe the relationship between mortgage rate and number of houses sold.

(Essay)

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Question 96

Home Care Data are collected on the number of house calls (x)made in a given week by each of 60 nurses in a certain hospital.The same data set is displayed in each of the three histograms below. -{Home Care Narrative} Which histogram makes the differences in the house calls appear to be the most dramatic?

(Essay)

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Question 97

Observations that are taken during successive points in time are called ____________________ data.

(Short Answer)

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Question 98

A department store's monthly sales (in thousands of dollars)for the last year were as follows.A histogram should be used to present these data.

(True/False)

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Question 99

The scale used on a bar chart does not affect the way the bar chart looks.

(True/False)

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Question 100

Showing 81 - 100 of 156

The techniques of shrinking the horizontal axis or stretching the vertical axis have the effect of making the slope of the graph visually (but not numerically)steeper.

A modal class in a histogram is the class that includes

How do you determine whether two interval variables have a positive linear relationship?

Beef prices throughout the year (month 1 = January)are shown in the line chart below (per pound).Describe beef prices for this given year using this line chart.

Which of the following statements describes a line chart?

Possible methods of creating distorted impressions with bar charts include:

Briefly discuss the difference between cross-sectional data and time-series data.

Which of the following characteristics apply to achieve graphical excellence?

An individual's income depends somewhat on their number of years of education.Accordingly,we identify income as the variable,and years of education as the variable.

The line chart below shows cucumber prices fluctuated from $2.00 per pound to over $4.50 per pound during the year.

What are the two most important characteristics to look for in a scatter diagram?

Slopes and trends in a line chart appear to be steeper if you ____________________ the horizontal (time)axis.

Observations that are taken during successive points in time are called ____________________ data.

A department store's monthly sales (in thousands of dollars)for the last year were as follows.A histogram should be used to present these data.

The scale used on a bar chart does not affect the way the bar chart looks.

What Is Statistics

Graphical Descriptive Techniques 1

Numerical Descriptive Techniques

Data Collection and Sampling

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Model Building

Nonparametric Statistics

Time-Series Analytics and Forecasting

Statistical Process Control

Decision Analysis

Conclusion

Filters

Exam 3: Graphical Descriptive Techniques 2

The techniques of shrinking the horizontal axis or stretching the vertical axis have the effect of making the slope of the graph visually (but not numerically)steeper.

A modal class in a histogram is the class that includes

How do you determine whether two interval variables have a positive linear relationship?

Beef prices throughout the year (month 1 = January)are shown in the line chart below (per pound).Describe beef prices for this given year using this line chart.

Which of the following statements describes a line chart?

Possible methods of creating distorted impressions with bar charts include:

Briefly discuss the difference between cross-sectional data and time-series data.

Which of the following characteristics apply to achieve graphical excellence?

An individual's income depends somewhat on their number of years of education.Accordingly,we identify income as the ____________________ variable,and years of education as the ____________________ variable.

The line chart below shows cucumber prices fluctuated from $2.00 per pound to over $4.50 per pound during the year.

What are the two most important characteristics to look for in a scatter diagram?

Slopes and trends in a line chart appear to be steeper if you ____________________ the horizontal (time)axis.

Observations that are taken during successive points in time are called ____________________ data.

A department store's monthly sales (in thousands of dollars)for the last year were as follows.A histogram should be used to present these data.

The scale used on a bar chart does not affect the way the bar chart looks.

What Is Statistics

Graphical Descriptive Techniques 1

Numerical Descriptive Techniques

Data Collection and Sampling

Probability

Random Variables and Discrete Probability Distributions

Continuous Probability Distributions

Sampling Distributions

Introduction to Estimation

Introduction to Hypothesis Testing

Inference About a Population

Inference About Comparing Two Populations

Analysis of Variance

Chi-Squared Tests

Simple Linear Regression and Correlation

Multiple Regression

Model Building

Nonparametric Statistics

Time-Series Analytics and Forecasting

Statistical Process Control

Decision Analysis

Conclusion

Filters

An individual's income depends somewhat on their number of years of education.Accordingly,we identify income as the variable,and years of education as the variable.