Solve these data handling questions :-
(i) the data in the form of their original form is called
• histogram
•bar graph
•raw data
•pictograph
(ii) what is the mean of : 67,34,23,89,76,12
•45
•131 /6
•67
•116
(iii) what is the mode of : 33,68,54,23,33
•68
•54
•23
•33
(iv) what is the range of first five prime numbers?
•6
•9
•3
•2
(v) what is the mean of first five whole numbers?
•8
•2
•6
•4
Answers
Answered by
1
Step-by-step explanation:
wait for a while I will answer
Answered by
1
NCERT Exemplar Class 8 Maths Chapter 2 Data Handling
Multiple Choice Questions
Question. 1 The height of a rectangle in a histogram shows the
(a) width of the class (b) upper limit of the class
(c) lower limit of the class (d) frequency of the class
Answer. (d) The height of a rectangle in a histogram shows the frequency of the class,
Note The number of times a particular observation occurs in a given data, is called its frequency.
Question. 2 A geometric representation showing the relationship between a whole and its parts, is a
(a) pie chart (b) histogram
(c) bar graph 4 (d) pictograph
Answer. (a) Data can also be represented by using a pie chart (circle graph), It shows the relationship between a whole and its parts Question. 3 In a pie chart, the total angle at the centre of the circle is
(a) 180° (b) 360°
(c) 270° (d) 90°
Answer. (b) The total angle at the centre of the circle is 360°.
ncert-exemplar-problems-class-8-mathematics-data-handling-1, Question. 4 The range of the data 30, 61, 55, 56, 60, 20, 26, 46, 28, 56 is
(a) 26 (b) 30
(c) 41 (d) 61
Answer. (c) Range of data = Maximum value – Minimum value = 61 – 20 = 41
Multiple Choice Questions
Question. 1 The height of a rectangle in a histogram shows the
(a) width of the class (b) upper limit of the class
(c) lower limit of the class (d) frequency of the class
Answer. (d) The height of a rectangle in a histogram shows the frequency of the class,
Note The number of times a particular observation occurs in a given data, is called its frequency.
Question. 2 A geometric representation showing the relationship between a whole and its parts, is a
(a) pie chart (b) histogram
(c) bar graph 4 (d) pictograph
Answer. (a) Data can also be represented by using a pie chart (circle graph), It shows the relationship between a whole and its parts Question. 3 In a pie chart, the total angle at the centre of the circle is
(a) 180° (b) 360°
(c) 270° (d) 90°
Answer. (b) The total angle at the centre of the circle is 360°.
ncert-exemplar-problems-class-8-mathematics-data-handling-1, Question. 4 The range of the data 30, 61, 55, 56, 60, 20, 26, 46, 28, 56 is
(a) 26 (b) 30
(c) 41 (d) 61
Answer. (c) Range of data = Maximum value – Minimum value = 61 – 20 = 41
Similar questions