Primary 5 Mathematics Data Analysis Quiz

TuitionGoWhere Primary School (AI)

Primary 5 Mathematics - Data Analysis

Quiz 01 | Pre-PSLE Preparation

Name: _________________________ Date: _____________ Score: ___ / 50

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Section A: Multiple Choice Questions (2 marks each)

Use the following data for Questions 1-3: Number of books read by 10 students: 4, 7, 3, 5, 8, 6, 5, 9, 5, 8

1. What is the mode of the data?

• A) 4
• B) 5
• C) 7
• D) 8

2. What is the median of the data?

• A) 5
• B) 5.5
• C) 6
• D) 6.5

3. What is the mean (average) number of books read?

• A) 5
• B) 5.5
• C) 6
• D) 6.5

4. In a pie chart showing how a student spends 24 hours, the sector for sleep shows 120°. How many hours does the student sleep?

• A) 6 hours
• B) 8 hours
• C) 10 hours
• D) 12 hours

5. The range of a set of data is 15. If the smallest value is 23, what is the largest value?

• A) 8
• B) 38
• C) 15
• D) 46

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Section B: Short Answer Questions (3 marks each)

6. Find the mean of: 12, 15, 18, 21, 24

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7. The heights of 7 students in cm are: 142, 138, 145, 150, 138, 147, 140. Find the mode and range.

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8. In a bar graph, one unit represents 5 students. If a bar is 8 units tall, how many students does it represent?

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9. The mean of 4 numbers is 25. Three of the numbers are 20, 22, and 28. What is the fourth number?

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10. Arrange the data in order and find the median: 67, 54, 78, 45, 89, 72, 61

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Section C: Problem Solving (4 marks each)

Use the following table for Questions 11-12:

Day	Monday	Tuesday	Wednesday	Thursday	Friday
Books sold	45	38	52	41	64

11. (a) What was the total number of books sold in the week? (b) What was the average number of books sold per day?

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12. (a) On which day were the most books sold? (b) What is the difference between the highest and lowest sales?

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13. The mean score of 5 students in a test is 72. When a sixth student joins the group, the mean becomes 74. What score did the sixth student get?

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14. A class of 30 students took a survey on their favorite fruits. The results are shown:

• Apple: 8 students
• Orange: 12 students
• Banana: 6 students
• Grapes: 4 students

If this data is shown in a pie chart, what angle represents oranges?

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15. The table shows marks scored by students:

Marks	60-69	70-79	80-89	90-100
Students	5	12	8	5

(a) How many students scored 70 marks and above? (b) What fraction of students scored below 80?

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Section D: Challenging Problems (5 marks each)

16. The mean of five numbers is 18. When a sixth number is added, the mean becomes 20. When a seventh number is added, the mean becomes 22. What are the sixth and seventh numbers?

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17. A group of students recorded their travel time to school (in minutes): 15, 20, 25, 30, 35, 40, 25, 30, 20, 25, 35, 30, 25, 20, 30

(a) Organize this data in a frequency table. (b) Find the mode. (c) Find the mean travel time.

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End of Quiz