Podcast
Questions and Answers
One standard deviation in a normal distribution covers about 95% of the data.
One standard deviation in a normal distribution covers about 95% of the data.
False (B)
Which of the following represents a normal distribution?
Which of the following represents a normal distribution?
- A bell-shaped curve (correct)
- A pie chart
- A skewed line graph
- A scattered plot
Which of the following best describes a histogram?
Which of the following best describes a histogram?
- A financial forecast tool
- A bar chart that shows the distribution of data (correct)
- A line graph showing trends over time
- A pie chart of sales distribution
Central tendency is measured using which of the following?
Central tendency is measured using which of the following?
Special cause variation can be attributed to a specific source.
Special cause variation can be attributed to a specific source.
What does the symbol 'σ' (sigma) represent in statistics?
What does the symbol 'σ' (sigma) represent in statistics?
What does a standard deviation measure?
What does a standard deviation measure?
Common cause variation encompasses only random fluctuations.
Common cause variation encompasses only random fluctuations.
A Poisson distribution is used to represent continuous data.
A Poisson distribution is used to represent continuous data.
A process is considered unstable if:
A process is considered unstable if:
Standard deviation is a measure of central tendency.
Standard deviation is a measure of central tendency.
The difference between common cause and special cause variation is that:
The difference between common cause and special cause variation is that:
A stable process is defined by the presence of:
A stable process is defined by the presence of:
Which type of variation is unpredictable and needs investigation?
Which type of variation is unpredictable and needs investigation?
The mean, median, and mode all measure central tendency.
The mean, median, and mode all measure central tendency.
In a histogram, the height of each bar represents:
In a histogram, the height of each bar represents:
What is the purpose of calculating the range in a data set?
What is the purpose of calculating the range in a data set?
Control charts help in monitoring process stability over time.
Control charts help in monitoring process stability over time.
What is the purpose of using control charts in process management?
What is the purpose of using control charts in process management?
What percentage of data falls within one standard deviation in a normal distribution?
What percentage of data falls within one standard deviation in a normal distribution?
What type of data is represented by the Poisson distribution?
What type of data is represented by the Poisson distribution?
A bell-shaped curve is characteristic of a uniform distribution.
A bell-shaped curve is characteristic of a uniform distribution.
A control chart is used to analyze the frequency of data within a range.
A control chart is used to analyze the frequency of data within a range.
What is the primary focus of statistical process control (SPC)?
What is the primary focus of statistical process control (SPC)?
Unpredictable variation that requires investigation is known as common cause variation.
Unpredictable variation that requires investigation is known as common cause variation.
Flashcards
Capital of France (example flashcard)
Capital of France (example flashcard)
Paris
