Question 1

Which chart type might be used to display a single time-series data set?

Accepted Answer

A)  Pie chart 
B)  Gantt chart 
C)  Line diagram 
D)  Pictogram 
A)  Pie chart 
B)  Gantt chart 
C)  Line diagram 
D)  Pictogram C

Question 2

Pie charts are used to represent proportions of the whole. In a report showing sales by region, one region had €420,000 out of a total of €1.2M sales. What size sector (in degrees) should represent this region?

Accepted Answer

A)  116 
B)  126 
C)  136 
D)  146 
A)  116 
B)  126 
C)  136 
D)  146 B

Question 3

Projected sales figures show that the rate of expansion of a small electronics firm should be constant over a 6 year period. Why does a semi-logarithmic graph provide a good solution to displaying this data?

Accepted Answer

A)  Constant rates of change are shown as straight lines 
B)  It shows cumulative changes over time 
C)  It displays changes in the rate of change as positive or negative values 
D)  It is the clearest chart type for time series data 
A)  Constant rates of change are shown as straight lines 
B)  It shows cumulative changes over time 
C)  It displays changes in the rate of change as positive or negative values 
D)  It is the clearest chart type for time series data A

Question 4

Which of the following statements about bar charts is NOT true?

Accepted Answer

A)  The bars may be horizontal or vertical 
B)  Back to back charts can be used for comparisons 
C)  They are easy for most readers to understand 
D)  They should not be used to represent negative values 
A)  The bars may be horizontal or vertical 
B)  Back to back charts can be used for comparisons 
C)  They are easy for most readers to understand 
D)  They should not be used to represent negative values

Question 5

Histograms and bar charts can look similar. Which of the following statements is true?

Accepted Answer

A)  The bars on histograms are joined; but they are not on a bar chart 
B)  The bars on histograms represent numerical data; they do not on a bar chart 
C)  The bars on histograms and bar charts can both represent non-numeric data 
D)  The bars on histograms and bar charts should always be equal widths 
A)  The bars on histograms are joined; but they are not on a bar chart 
B)  The bars on histograms represent numerical data; they do not on a bar chart 
C)  The bars on histograms and bar charts can both represent non-numeric data 
D)  The bars on histograms and bar charts should always be equal widths

Question 6

A Z-chart is a particular way of displaying time series data. Which of the following options is NOT displayed on a Z-chart?

Accepted Answer

A)  Moving totals 
B)  Accumulated time series values 
C)  Moving average values 
D)  Actual time series values 
A)  Moving totals 
B)  Accumulated time series values 
C)  Moving average values 
D)  Actual time series values

Question 7

What advantage do proportional pie charts have in comparison to straightforward multiple pie charts?

Accepted Answer

A)  They can compare the size of class totals 
B)  They are easier to construct 
C)  They enable you to show time series changes 
D)  They are easier to read 
A)  They can compare the size of class totals 
B)  They are easier to construct 
C)  They enable you to show time series changes 
D)  They are easier to read

Question 8

Which of the following general points about chart construction is NOT true?

Accepted Answer

A)  Charts should be labelled clearly (including axes and titles) 
B)  Shading or colouring should be carefully used so as not to distract 
C)  Diagrams must always contain the minimum amount of data to be useful 
D)  Scales should always start at 0 and increase steadily to the maximum value 
A)  Charts should be labelled clearly (including axes and titles) 
B)  Shading or colouring should be carefully used so as not to distract 
C)  Diagrams must always contain the minimum amount of data to be useful 
D)  Scales should always start at 0 and increase steadily to the maximum value

Question 9

A colleague suggests that a diagram could help illustrate the average market share held by 3 supermarkets over the last 10 years. Which chart type might be most appropriate?

Accepted Answer

A)  Line diagram 
B)  Single bar chart 
C)  Pie chart 
D)  Z-chart 
A)  Line diagram 
B)  Single bar chart 
C)  Pie chart 
D)  Z-chart

Question 10

A Strata chart may also be called a cumulative line diagram. Which of the following data series might make best use of this chart type?

Accepted Answer

A)  Production levels in a steelworks 
B)  The comparison of mobile phone sales in 5 countries 
C)  Comparison of the number of cars per household over the last 20 years 
D)  Count of the colour of cars driving over a particular bridge 
A)  Production levels in a steelworks 
B)  The comparison of mobile phone sales in 5 countries 
C)  Comparison of the number of cars per household over the last 20 years 
D)  Count of the colour of cars driving over a particular bridge

Exam 5: General Charts and Graphs

Which chart type might be used to display a single time-series data set?

Pie charts are used to represent proportions of the whole. In a report showing sales by region, one region had €420,000 out of a total of €1.2M sales. What size sector (in degrees) should represent this region?

Projected sales figures show that the rate of expansion of a small electronics firm should be constant over a 6 year period. Why does a semi-logarithmic graph provide a good solution to displaying this data?

Which of the following statements about bar charts is NOT true?

Histograms and bar charts can look similar. Which of the following statements is true?

A Z-chart is a particular way of displaying time series data. Which of the following options is NOT displayed on a Z-chart?

What advantage do proportional pie charts have in comparison to straightforward multiple pie charts?

Which of the following general points about chart construction is NOT true?

A colleague suggests that a diagram could help illustrate the average market share held by 3 supermarkets over the last 10 years. Which chart type might be most appropriate?

A Strata chart may also be called a cumulative line diagram. Which of the following data series might make best use of this chart type?

Introduction to Business Mathematics and Statistics

Sampling and Data Collection

Data and Their Accuracy

Frequency Distributions and Charts

Arithmetic Mean

Median

Mode and Other Measures of Location

Measures of Dispersion and Skewness

Standard Deviation

Quantiles and the Quartile Deviation

Linear Functions and Graphs

Regression Techniques

Correlation Techniques

Time Series Model

Time Series Trend

Seasonal Variation and Forecasting

Index Relatives

Composite Index Numbers

Special Published Indices

Interest and Depreciation

Present Value and Investment Appraisal

Annuities

Functions and Graphs

Linear Equations

Quadratic and Cubic Equations

Differentiation and Integration

Cost, Revenue and Profit Functions

Set Theory and Enumeration

Introduction to Probability

Conditional Probability and Expectation

Combinations and Permutations

Binomial and Poisson Distributions

Normal Distribution

Linear Inequalities

Matrices

Inventory Control

Network Planning and Analysis

Filters