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Chapters
Chapter 2: Banking (Recurring Deposit Account)
Chapter 3: Shares and Dividend
Chapter 4: Linear Inequations (In one variable)
Chapter 5: Quadratic Equations
Chapter 6: Solving (simple) Problems (Based on Quadratic Equations)
Chapter 7: Ratio and Proportion (Including Properties and Uses)
Chapter 8: Remainder and Factor Theorems
Chapter 9: Matrices
Chapter 10: Arithmetic Progression
Chapter 11: Geometric Progression
Chapter 12: Reflection
Chapter 13: Section and Mid-Point Formula
Chapter 14: Equation of a Line
Chapter 15: Similarity (With Applications to Maps and Models)
Chapter 16: Loci (Locus and Its Constructions)
Chapter 17: Circles
Chapter 18: Tangents and Intersecting Chords
Chapter 19: Constructions (Circles)
Chapter 20: Cylinder, Cone and Sphere
Chapter 21: Trigonometrical Identities
Chapter 22: Height and Distances
Chapter 23: Graphical Representation
Chapter 24: Measure of Central Tendency(Mean, Median, Quartiles and Mode)
Chapter 25: Probability
Solutions for Chapter 23: Graphical Representation
Below listed, you can find solutions for Chapter 23 of CISCE Selina for Concise Maths Class 10 ICSE.
Selina solutions for Concise Maths Class 10 ICSE Chapter 23 Graphical Representation Exercise 23 [Pages 348 - 349]
Draw histogram for the following distributions:
| Class Interval | 0-10 | 10-20 | 20-30 | 30-40 | 40-50 | 50-60 |
| Frequancy | 12 | 20 | 26 | 18 | 10 | 6 |
Draw histogram for the following distributions:
| Class Interval | 10-16 | 16-22 | 22-28 | 28-34 | 34-40 |
| Frequency | 15 | 23 | 30 | 20 | 16 |
Draw histrogram for the following distributions:
| Class interval | 30-39 | 40-49 | 50-59 | 60-69 | 70-79 |
| Frequency | 24 | 16 | 09 | 15 | 20 |
Draw histogram ffor the following distributtions:
| Class Marks | 16 | 24 | 32 | 40 | 48 | 56 | 64 |
| Frequency | 8 | 12 | 15 | 18 | 25 | 19 | 10 |
Draw a cumulative frequency curve (ogive) for the following distributions:
| Class Interval | 10 – 15 | 15 – 20 | 20 – 25 | 25 – 30 | 30 – 35 | 35 – 40 |
| Frequency | 10 | 15 | 17 | 12 | 10 | 8 |
Draw a cumulative frequency curve (ogive) for each of the following distributions:
| Class Interval | 10 – 19 | 20 – 29 | 30 – 39 | 40 – 49 | 50 – 59 |
| Frequency | 23 | 16 | 15 | 20 | 12 |
Draw an ogive for each of the following distributions:
| Marks obtained | Less than 10 | Less than 20 | Less than 30 | Less than 40 | Less than 50 |
| No of students | 8 | 25 | 38 | 50 | 67 |
Draw an ogive for each of the following distributions:
| Age in years (less than) | 10 | 20 | 30 | 40 | 50 | 60 | 70 |
| Cumulative frequency | 0 | 17 | 32 | 37 | 53 | 58 | 65 |
Construct a frequency distribution table for the numbers given below, using the class intervals
21 – 30, 31 – 40 ………… etc.
75, 65, 57, 26, 33,44, 58, 67, 75, 78, 43, 41, 31, 21, 32, 40, 62, 54, 69, 48, 47, 51, 38, 39, 43, 61, 63, 68, 53, 56, 49, 59, 37, 40, 68, 23, 28, 36 and 47.
Use the table obtained to draw: (1) a histrogram (2) an ogive
Use the information given in the adjoining histogram to construct a frequency table.
Use this table to construct an ogive.
| Class mark | 12.5 | 17.5 | 22.5 | 27.5 | 32.5 | 32.5 | 42.5 |
| Frequency | 12 | 17 | 22 | 27 | 30 | 21 | 16 |
(a) From the distribution, given above, construct a frequency table.
(b) Use the table obtained in part (a) to draw: (i) a histogram, (ii) an ogive
Use graph paper for this question.
The table given below shows the monthly wages of some factory workers
(i) Using the table, calculate the cumulative frequencies of workers
(ii) Draw a cumulative frequency curve.
Use 2 cm = ₹ 500, starting the origin at ₹ 6500 on x-axis, and 2 cm = 10 workers on the y – axis.
| Wages (in Rs) | 6500-7000 | 7000-7500 | 7500-8000 | 8000-8500 | 8500-9000 | 9000-9500 | 9500-10000 |
| No of workers | 10 | 18 | 22 | 25 | 17 | 10 | 8 |
The following table shows the distribution of the heights of a group of factory workers:
| Ht. (cm) | 150 - 155 | 155 – 160 | 160 - 165 | 165 – 170 | 170 – 175 | 175 - 180 | 180 – 185 |
| No of workers: | 6 | 12 | 18 | 20 | 13 | 8 | 6 |
(i) Determine the cumulative frequencies.
(ii) Draw the ‘less than’ cumulative frequency curve on graph paper. Use 2 cm = 5 cm height on one axis and 2 cm = 10 workers on the other.
Construct a frequency distribution table for each of the following distributions
| Marks (less than) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Cumulative frequency | 0 | 7 | 28 | 54 | 71 | 84 | 105 | 147 | 180 | 196 | 200 |
Construct a frequency distribution table for each of the following distributions.
| Marks (more than) | 0 | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 | 90 | 100 |
| Cumulative frequency | 100 | 87 | 65 | 55 | 42 | 36 | 31 | 21 | 18 | 7 | 0 |
Solutions for Chapter 23: Graphical Representation
Selina solutions for Concise Maths Class 10 ICSE chapter 23 - Graphical Representation
Shaalaa.com has the CISCE Mathematics Concise Maths Class 10 ICSE CISCE solutions in a manner that help students grasp basic concepts better and faster. The detailed, step-by-step solutions will help you understand the concepts better and clarify any confusion. Selina solutions for Mathematics Concise Maths Class 10 ICSE CISCE 23 (Graphical Representation) include all questions with answers and detailed explanations. This will clear students' doubts about questions and improve their application skills while preparing for board exams.
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Concepts covered in Concise Maths Class 10 ICSE chapter 23 Graphical Representation are Median of Grouped Data, Ogives (Cumulative Frequency Graphs), Concepts of Statistics, Graphical Representation of Ogives, Finding the Mode from the Histogram, Finding the Mode from the Upper Quartile, Finding the Mode from the Lower Quartile, Finding the Median, upper quartile, lower quartile from the Ogive, Calculation of Lower, Upper, Inter, Semi-Inter Quartile Range, Concept of Median, Graphical Representation of Data as Histograms, Mean of Grouped Data, Mean of Ungrouped Data, Median of Ungrouped Data, Mode of Ungrouped Data, Mode of Grouped Data, Mean of Continuous Distribution, Graphical Representation of Data as Histograms.
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