In this lecture, we solve 9th Class Mathematics Exercise 12.2 (Questions 6 to 10) from the chapter Information Handling (New Syllabus 2025) step by step.
👉 What’s included in this video:
Q6: Finding Arithmetic Mean of marks using frequency distribution
Q7: Finding the Median of grouped data
Q8: Calculating the Mode of given data
Q9: Solving problems involving Mean, Median, and Mode together
Q10: Real-life application of Mean, Median, Mode in a data table
This lecture makes Mean, Median, and Mode concepts easy for students of Punjab Board, FBISE, Sindh Board, KPK Board and will help in board exam preparation 2025.
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#Exercise12.2Q6 The marks obtained by 50 students are given below. Find the Arithmetic Mean. Marks: 0–10, 10–20, 20–30, 30–40, 40–50, 50–60, 60–70. Frequency: 5, 7, 10, 10, 10, 5, 3.
#Exercise12.2Q7 The ages in years of 60 workers are given below. Find the Median age. Ages: 20–30, 30–40, 40–50, 50–60, 60–70, 70–80. Frequency: 3, 10, 20, 15, 7, 5.
#Exercise12.2Q8 The daily wages of 50 workers are given below. Find the Mode. Wages: 100–120, 120–140, 140–160, 160–180, 180–200, 200–220. Frequency: 7, 10, 15, 12, 4, 2.
#Exercise12.2Q9 The marks obtained by students are given below. Find the Mean, Median and Mode. Marks: 0–10, 10–20, 20–30, 30–40, 40–50. Frequency: 6, 8, 10, 5, 1.
#Exercise12.2Q10 The daily income of workers in a factory is given below. Find the Mean and Median income. Income: 500–600, 600–700, 700–800, 800–900, 900–1000. Frequency: 5, 10, 20, 10, 5.
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