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Answer:</h2>
<u>A) Scatter Diagram</u> can be used to prevent and control a problem.
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Explanation:</h2>
Scatter diagram is a chart used when the user wants to determine the relationship between cause of a problem and the effects. It also determines one cause and two others. Since it investigates the cause and effects, it is used in problem-solving and controlling problems.
Furthermore, it can be used to analyse problems involving many variations which other charts like histogram, Pareto diagrams cannot analyse. Analyzing the chart checks the relationship between the y-axis and x-axis values by assessing if there is any correlation, whether it is a negative or a positive correlation, and etc.
The answer is A) Items are more expensive.
