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Quantitative — Statistics & Data (الإحصاء) for the GAT (KSA) Exam
Statistics and data interpretation account for a significant portion of GAT Quantitative questions. These include calculating mean, median, and mode from data sets, interpreting bar charts and pie charts, and basic probability. Data interpretation questions test the ability to extract information from tables and graphs quickly.
Locale-specific study guides
Pass-rate data, regulatory context, and study tips for Quantitative — Statistics & Data (الإحصاء) all change by candidate locale. Pick your context:
- Quantitative — Statistics & Data (الإحصاء) · United StatesCalibrated for American candidates
- Quantitative — Statistics & Data (الإحصاء) · United KingdomCalibrated for British candidates
- Quantitative — Statistics & Data (الإحصاء) · IndiaCalibrated for Indian candidates
- Quantitative — Statistics & Data (الإحصاء) · PhilippinesCalibrated for Filipino candidates
- Quantitative — Statistics & Data (الإحصاء) · NigeriaCalibrated for Nigerian candidates
Common failure modes
These are the patterns that cause most candidates to lose marks on this topic. Recognising them in advance is half the work.
- !Not sorting data before finding the median — median requires ordered data
- !Confusing mean (average) with mode (most frequent) in word problems
- !Reading graph scales incorrectly — especially when the y-axis does not start at zero
Study tips
- 1Memorize the three central tendency formulas: mean = sum/n; median = middle value of ordered data; mode = most frequent.
- 2For data interpretation, always read the chart title, axis labels, and units before attempting questions.
- 3Practice probability with simple events: P(event) = favourable outcomes / total outcomes.
Sample GAT (KSA) Quantitative — Statistics & Data (الإحصاء) questions
These sample items mirror the format and difficulty of real GAT (KSA) questions. Practice with thousands more on the free Koydo question bank.
- 1
The scores of 5 students are: 72, 85, 90, 78, 85. What is the mode?
- A82
- B85Correct
- C78
- D90
Why this answer?
Mode is the most frequently occurring value. In the data set {72, 85, 90, 78, 85}, the value 85 appears twice while all others appear once. The mode is 85.
- 2
A bag contains 3 red, 5 blue, and 2 green balls. What is P(blue)?
- A3/10
- B1/2Correct
- C2/10
- D5/8
Why this answer?
Total balls = 3 + 5 + 2 = 10. P(blue) = 5/10 = 1/2. There are 5 blue balls out of 10 total.
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