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Maths 4 Mark Question

Data Handling · Maharashtra Board STD 8 (MSBSHSE - English Medium). 2 questions.

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4 Mark Question

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2 questions · self-marked practice — reveal the answer and mark yourself.

Question 14 Marks
Look at the histogram given below and answer the question that follow:
  1. How many students have height more than or equal to 135cm but less than 150cm?
  2. Which class interval has the least number of students?
  3. What is the class size?
  4. How many students have height less than 140cm?
Answer
  1. Number of students = 14 + 18 + 10 = 42
  2. Class interval with least number of students = 150 - 155
  3. Class size = 130 - 125 = 5
  4. Number of students with height less than 140 = 14 + 8 + 6 = 28
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Question 24 Marks
The histogram given below shows the number of literate females in the age group of 10 to 40 years. Study the histogram carefully and answer the question that follow:
  1. Write the classes, assuming that all the classes are of equal width.
  2. What is the class width?
  3. In which age group are the literate females the least?
  4. In which age group is the number of literate females the highest?
Hint. Number of class intervals of equal width = 6 (given), class width $=\frac{(40-10)}{6}=5.$
Answer
  1. Age group = 10 to 40
Given all the classes are of equal width
Number of class interval of equal width = 6
Class width $=\frac{40-10}{6}=5$
Classes are 10-15,15-20, 20-25, 25-30, 30-35, 35-40
  1. Class width $ = \frac{40−10}{6}=5$
  2. Age group with least literate females = 10-15
  3. Age group with highest literate females = 15-20
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