Charts Flashcards
Gantt Chart
Project schedule visualization.
Tasks vs. Dates.
Horizontal bars = task duration.
Network Diagram
- Shows activity sequencing.
- Highlights critical path.
- Nodes = activities; arrows = dependencies.
Pareto Chart
80/20 principle.
Frequency of causes.
Quality management tool.
Ishikawa Diagram
Root cause analysis.
Bone-structure (spine & branches).
Categorized causes.
Histogram
Frequency distribution bar chart.
Data distribution visualization.
Quality analysis tool.
Control Charts
Process stability over time.
Points within control limits.
Quality control tool.
Scatter Diagram
- Two-variable correlation.
- Dot plots for data points.
- Indicates positive/negative/no correlation.
Run Chart
Data trends over time.
Single line connecting points.
Spotting anomalies in processes.
What aspect of the project does the length of the horizontal bars in a Gantt Chart directly represent?
A) The number of resources
B) The cost of the activity
C) The complexity of the activity
D) The duration of the activity
What aspect of the project does the length of the horizontal bars in a Gantt Chart directly represent?
Answer: D) The duration of the activity
Which of the following can be directly inferred from a Gantt Chart?
A) Root causes of an issue
B) Sequence of activities
C) The correlation between two variables
D) Quality metrics of a process
Which of the following can be directly inferred from a Gantt Chart?
Answer: B) Sequence of activities
In a Gantt Chart, if two activities are parallel to each other but not overlapping, what does it indicate?
A) They have a finish-to-start relationship
B) They are dependent on a common predecessor
C) They can be executed simultaneously
D) They have been delayed
In a Gantt Chart, if two activities are parallel to each other but not overlapping, what does it indicate?
Answer: C) They can be executed simultaneously
What is NOT typically represented in a Gantt Chart?
A) Milestones
B) Activity duration
C) Critical path
D) Frequency of an occurrence
What is NOT typically represented in a Gantt Chart?
Answer: D) Frequency of an occurrence
In a Network Diagram, which path represents the shortest time in which a project can be completed?
A) Critical path
B) Longest path
C) Shortest path
D) Slack path
In a Network Diagram, which path represents the shortest time in which a project can be completed?
Answer: A) Critical path
What does a dangling activity in a Network Diagram indicate?
A) The activity has multiple dependencies
B) The activity is not properly connected
C) The activity is optional
D) The activity is on the critical path
What does a dangling activity in a Network Diagram indicate?
Answer: B) The activity is not properly connected
If an activity in a Network Diagram has a slack of zero days, it means:
A) The activity can be delayed without affecting the project end date
B) The activity is not critical
C) The activity delay will delay the project end date
D) The activity has no predecessors
If an activity in a Network Diagram has a slack of zero days, it means:
Answer: C) The activity delay will delay the project end date
Which relationship shows that an activity cannot start until the previous one is completed?
A) Start-to-Start (SS)
B) Finish-to-Finish (FF)
C) Finish-to-Start (FS)
D) Start-to-Finish (SF)
Which relationship shows that an activity cannot start until the previous one is completed?
Answer: C) Finish-to-Start (FS)
A Pareto Chart is used primarily to:
A) Sequence activities
B) Identify most frequent causes of issues
C) Track project progress
D) Establish communication patterns
A Pareto Chart is used primarily to:
Answer: B) Identify most frequent causes of issues
If 80% of a project’s problems come from 20% of the causes, this principle is best visualized using:
A) Scatter Diagram
B) Run Chart
C) Gantt Chart
D) Pareto Chart
If 80% of a project’s problems come from 20% of the causes, this principle is best visualized using:
Answer: D) Pareto Chart
In a Pareto Chart, the bars are arranged in which order?
A) Random
B) Ascending order of frequency
C) Descending order of importance
D) Chronological order of occurrence
In a Pareto Chart, the bars are arranged in which order?
Answer: C) Descending order of importance
Which of the following is NOT directly derived from a Pareto Chart?
A) Major reasons for problems
B) Cumulative percentage of causes
C) The correlation between two variables
D) Individual percentage of each cause
Which of the following is NOT directly derived from a Pareto Chart?
Answer: C) The correlation between two variables
What best describes the primary structure of an Ishikawa Diagram?
A) A line graph showing trends over time
B) A series of interconnected nodes
C) A central spine branching out to multiple causes
D) Vertical bars representing data frequency
C) A central spine branching out to multiple causes
Which of the following is a common application for the Ishikawa Diagram?
A) Representing task dependencies
B) Monitoring process variations over time
C) Identifying potential root causes for a specific problem
D) Showing the distribution of dataset values
C) Identifying potential root causes for a specific problem
The “6Ms” often used in manufacturing as branches of the Ishikawa Diagram do NOT include:
A) Mother Nature (Environment)
B) Machine
C) Market
D) Manpower
C) Market
An Ishikawa Diagram is especially useful for:
A) Prioritizing problems based on frequency
B) Showing correlations between two variables
C) Brainstorming potential causes for a problem
D) Demonstrating task completion rates
C) Brainstorming potential causes for a problem
A Histogram is best used to:
A) Display root causes of defects
B) Show project task dependencies
C) Present frequency distribution of continuous data
D) Represent project milestones
C) Present frequency distribution of continuous data
In which of these scenarios would a Histogram be LEAST appropriate?
A) Displaying salary distribution in a company
B) Showing the relationship between two variables
C) Visualizing test scores of a class of students
D) Demonstrating age distribution of a survey’s respondents
B) Showing the relationship between two variables
If the bars in a Histogram are skewed to the right, this indicates:
A) Most data points are clustered to the left
B) The data is uniformly distributed
C) All data points are exactly in the middle
D) Most data points are clustered to the right
) Most data points are clustered to the left
A significant peak in a Histogram signifies:
A) An error in data collection
B) A frequent occurrence of that data range
C) A midpoint in the data distribution
D) The end of data collection
B) A frequent occurrence of that data range
Control Charts primarily help in:
A) Assigning project roles
B) Monitoring and controlling process performance
C) Sequencing project activities
D) Allocating project budget
B) Monitoring and controlling process performance
What is a common characteristic of data points within the control limits of a Control Chart?
A) They indicate potential project risks
B) They suggest the process is in control
C) They always show the process is out of control
D) They represent the project’s critical path
B) They suggest the process is in control
If a Control Chart displays seven consecutive data points above the central line, this typically suggests:
A) The process is perfectly balanced
B) A potential trend that needs investigation
C) The data points are random
D) The project is meeting its milestones
B) A potential trend that needs investigation
The main difference between a Control Chart and a Run Chart is:
A) A Control Chart displays root causes, while a Run Chart does not
B) A Run Chart focuses on project tasks, while a Control Chart does not
C) A Control Chart has upper and lower control limits, while a Run Chart does not
D) A Run Chart is used in quality management, while a Control Chart is not
C) A Control Chart has upper and lower control limits, while a Run Chart does not
