Important Questions for Class 10 Chapter 14 - Statistics

The Important Questions for CBSE class 10th Maths PDF includes complete sets of questions from Maths chapter-wise and topic-wise. Practice it and score good marks in your exam.

Important questions based on NCERT syllabus for Class 10 Chapter 14 - Statistics:

Question 1: If the mean of the given data is 250, then find the value of p.
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Solution:
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∑fi = 41 + p and ∑fixi = 9350 + 350p
9350 + 350p / 41 + p = 250
9350 + 350p = 10250 + 250p
100p = 900
p = 9

Question 2: The age of the employees in a startup company is shown below.
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Find the median age of the employees of the company.
Solution:
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Median = l+(n/2−cf / f)×h
= 34 + 100 − 100 / 50 × 8
= 34

Question 3: Find the mode for the following data.
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Solution:
Modal Class is 30-40
Mode
= I+(f1−fo2f1−fo−f2)×h
= 30 + 48 − 3296 − 32 − 30 × 10
= 34.71