हिंदी

Draw histogram for the following frequency distributions: Class Marks 16 24 32 40 48 56 64 Frequency 8 12 15 18 25 19 10

Advertisements
Advertisements

प्रश्न

Draw histogram for the following frequency distributions:

Class Marks  16 24 32 40 48 56 64
Frequency  8 12 15 18 25 19 10
आलेख
Advertisements

उत्तर

Class Marks  Class Intervals Frequency 
16 12 – 20 08
24 20 – 28 12
32 28 – 36 15
40 36 – 44 18
48 44 – 52 25
56 52 – 60 19
64 60 – 68 10


Steps of construction: 

  1. Convert the class marks into class intervals. 
  2. Taking suitable scales, mark class intervals on x-axis and frequency on y-axis.
  3. Construct rectangles with class intervals as bases and corresponding frequencies as heights.  
shaalaa.com
  क्या इस प्रश्न या उत्तर में कोई त्रुटि है?
अध्याय 23: Graphical Representation - Exercise 23 [पृष्ठ ३४८]

APPEARS IN

सेलिना Concise Mathematics [English] Class 10 ICSE
अध्याय 23 Graphical Representation
Exercise 23 | Q 1. (iv) | पृष्ठ ३४८

संबंधित प्रश्न

The table below shows the yield of jowar per acre. Show the data by histogram.

Yield per acre (quintal) 2 - 3 4 - 5 6 - 7 8 - 9  10 - 11
No. of farmers 30 50 55 40 20

Find the lower quartile, the upper quartile, the interquartile range and the semi-interquartile range for the following frequency distributions: 

Marks  25 30 35 40 45 50
No. of students 6 15 12 10 18 9

Construct histograms for following frequency distribution: 

Class Interval  130-140  140-150  150-160  160-170  170-180 
Frequency  24 16 29 20 11

Draw a histogram for the following data.

Class Interval 0 − 10 10 − 20 20 − 30 30 − 40 40 − 50 50 − 60
No. of students 5 15 23 20 10 7

Draw a histogram for the following data.

Mid Value (x) 15 25 35 45 55 65 75
Frequency (f) 12 24 30 18 26 10 8

Histogram shows the number of people owning the different number of books. Answer the question based on it.


The number of people owning books less than 40 is ______.


Histogram shows the number of people owning the different number of books. Answer the question based on it.


The number of people having books more than 20 and less than 40 is ______.


Look at the histogram below and answer the questions that follow.

  1. How many students have height more than or equal to 135 cm but less than 150 cm?
  2. Which class interval has the least number of students?
  3. What is the class size?
  4. How many students have height less than 140 cm?

Draw a histogram for the following data.

Class interval 10 – 15 15 – 20 20 – 25 25 – 30 30 – 35 35 – 40
Frequency 30 98 80 58 29 50

The given graph with a histogram represents the number of plants of different heights grown in a school campus. Study the graph carefully and answer the following questions:

  1. Make a frequency table with respect to the class boundaries and their corresponding frequencies.
  2. State the modal class.
  3. Identify and note down the mode of the distribution.
  4. Find the number of plants whose height range is between 80 cm to 90 cm.

Share
Notifications

Englishहिंदीमराठी


      Forgot password?
Use app×