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Class 1 Maths Chapter 9 Practice Question Answers - Data Handling

Q1: Fill in the Blanks
(i) __________ is the quick way of recording the data.
Ans: 
Tally marks

(ii) A bar graph can be drawn using __________ or __________ bars.
Ans: 
horizontal, vertical

(iii) Pictograph is the representation of data through __________.
Ans: 
pictures

(iv) __________ can be both numbers and words.
Ans:
data

Q2: The number of members in 20 families are given below:
4, 6, 5, 5, 4, 6, 3, 3, 5, 5, 3, 5, 4, 4, 6, 7, 3, 5, 5, 7
Prepare a frequency distribution of data.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling
Q3: The following data gives the number of children in 40 families:
1, 2, 6, 5, 1, 5, 1, 3, 2, 6, 2, 3, 4, 2, 0, 4, 4, 3, 2, 2, 0, 0, 1, 2, 2, 4, 3, 2, 1, 0, 5, 1, 2, 4, 3, 4, 1, 6, 2, 2
Represent it in the form of a frequency distribution.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling
Q4: The electricity bills (in dollars) of 25 houses of a certain locality for a month are given below:
324, 700, 617, 400, 356, 365, 435, 506, 548, 736, 780, 378, 570, 685, 312, 630, 584, 674, 754, 776, 596, 745, 565, 763, 472
Arrange the above data in increasing order and form a frequency table using equal class intervals, starting from 300-400, where 400 is not included.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling
Q5: The weekly pocket expenses (in dollars) of 30 students of a class are given below:
62, 80, 110, 75, 84, 73, 60, 62, 100, 87, 78, 94, 117, 86, 65, 68, 90, 80, 118, 72, 95, 72, 103, 96, 64, 94, 87, 85, 105, 115
Construct a frequency table with class intervals 60-70 (where 70 is not included) 70-80, 80-90 etc.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling
Q6: The heights (in cm) of 22 students were recorded as under:
125, 132, 138, 144, 142, 136, 134, 125, 135, 130, 126, 132, 135, 142, 143, 128, 126, 136, 135, 130, 130, 133
Prepare a frequency distribution table, taking equal class intervals and starting from 125 - 130, where 130 is not included.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling

Q7: A dice was thrown 30 times and the following outcomes were noted:
2, 1, 2, 4, 6, 1, 2, 3, 6, 5, 4, 4, 3, 1, 1, 3, 1, 1, 5, 6, 6, 2, 2, 3, 4, 2, 5, 5, 6, 4
Prepare a frequency table.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling
Q8: The marks obtained by 40 students of a class in an examination are given below:
8, 47, 22, 31, 17, 13, 38, 26, 3, 34, 29, 11, 22, 7, 15, 24, 38, 31, 21, 35, 42, 24, 45, 23, 21, 27, 29, 49, 25, 48, 21, 15, 18, 27, 19, 45, 14, 34, 37, 34
Prepare a frequency distribution table with equal class intervals, starting from 0-10 (where 10 is not included).
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling


Q9: The weekly wages (in dollars) of 28 workers of a factory are given below:
668, 610, 642, 658, 668, 620, 719, 720, 700, 690, 710, 642, 672, 654, 692, 706, 718, 702, 704, 678, 615, 640, 680, 716, 705, 615, 636, 656
Construct a frequency table with equal class intervals, taking the first of the class intervals as 610-630, where 630 is not included.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling
Q10: The daily earnings (in dollars) of 24 stores in a market was recorded as under:
715, 650, 685, 550, 573, 530, 610, 525, 742, 680, 736, 524, 500, 585, 723, 545, 532, 560, 580, 545, 625, 630, 645, 700
Prepare a frequency table taking equal class sizes. One such class is 500-550, where 550 is not Included.
Ans:

Class 1 Maths Chapter 9 Practice Question Answers - Data Handling

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