cong cu thong ke

What is the concept of quality understood as?

• Complete technical requirement fulfillment

• Satisfaction of reasonable customer expectations

• Manufacturer's control

• Lowest price

According to Professor Juran, what is quality?

• Meeting customer expectations

• Conformance to certain requirements

• Conformance to needs

• Minimizing production costs

Which chart is used to identify the main cause of a problem?

• Pareto chart

• Control chart

• Scatter plot

• Cause-and-effect diagram

What is the main purpose of the Pareto chart?

• Identify the relationship between two variables

• Classify causes by their level of importance

• Control product quality

• Store information

What is the control chart typically used for?

• Collecting and storing data

• Identifying the relationship between two factors

• Calculating correlation coefficient

• Measuring dispersion

In the histogram, what does the horizontal axis represent?

• Frequency of occurrence of the issue

• Amount of collected data

• Data values

• Width of the intervals between classes

What is the first step in the process of drawing a Pareto chart?

• Draw the chart

• List activities and count occurrences

• Calculate total occurrences

• Analyze results

Flow charts are used to:

• Identify the cause of a problem

• Monitor the distribution of parameters

• Represent a sequence of necessary steps

• Control product quality

What components does a control chart include?

• Central control line, upper and lower limits

• Central line and standard deviation

• Trend line and central line

• Frequency and standard deviation

What does a scatter plot signify in quality analysis?

• Measuring the variation of characteristics

• Indicating