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Information Processes and Technology

Home > Information Processes and Technology > Decision Support Systems > Semi-structured situation activity

Semi-structured situation activity: answers

Questions

1. Why does borrower 3 satisfy the criteria?
   According to the rules specified in the decision table, all conditions must be satisfied in order that a loan application is approved. Only borrower 3 satisfies all conditions.

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2. What aspect of the criteria is not as clearly defined as the others given?
   'Has some assets' does not specify what type of assets or any particular value.

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3. Create a spreadsheet that would also show these results.
   The decision table can be easily transferred to a spreadsheet using copy and paste and then formatted accordingly.

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4. A museum uses the following conditions to set admission prices:
   Create a decision table which specifies conditions, rules and actions for these criteria.
   
   

   Conditions	Rules
   Age < 5	Yes	No	No	No	No	No
   Age > 5 OR < OR = 15	No	Yes	No	No	No	No
   Age < 80 or > 15	No	No	Yes	No	No	No
   Age > OR = 80	No	No	No	Yes	No	No
   Sunday or Public Holiday	No	No	No	No	Yes	No
   Sunday or Public Holiday AND age > OR = 80	No	No	No	No	No	Yes
   Actions
   Free admission	Yes	No	No	No	No	No
   Pay half price	No	Yes	No	No	No	No
   Pay full price	No	No	Yes	No	No	No
   Pay half price	No	No	No	Yes	No	No
   Pay half price	No	No	No	No	Yes	No
   Free admission	No	No	No	No	No	Yes

   
   Rules and actions may be shown using Yes/No, Y/N or tick/cross. To read the decision table, locate the 'Yes' or tick which applies to a condition in rules. Follow the column down until you locate the corresponding 'Yes' or tick in actions. This shows the action that will be applied.

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