12) In an exam, there are 10 multiple choice questions. If the answer marked is correct, 1 point is awarded and 0.25 marks will be deducted from the total score for every wrong answer. What is the scale of measurement of final score obtained by a student?
(A) Ordinal
(B) Nominal
(C) Ratio
(D) Interval
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(D) Interval
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The scale of measurement used for calculation of final score obtained by a student is (D) Interval Scale.
Step-by-step explanation:
- Interval scales are quantitative measurement scales that use a numerical scale for rating. For example, scales like 0-10 or 1-100 are used. These scales are also used to calculate the mean and median of variables.
- They are primarily used in statistics and can be used to calculate opinions and feelings. They are most commonly used in fields of business and scientific analysis.
- Interval scales provide modest accuracy instead of complete accuracy. They are primarily used to add mathematical significance to qualitative aspects.
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