In math practice worksheet on data handling we will solve numerous types of questions on handling data, frequency distribution and on grouping data.
Worksheet on Data Handling
Questions on frequency distribution and data analysis:
1. 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.
2. 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.
3. 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.
Questions on grouping data:
Worksheet on Data Handling
4. 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 010 (where 10 is not included).
5. 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 300400, where 400 is not included.
6. 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 610630, where 630 is not included.
Worksheet on Data Handling
7. 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 6070 (where 70 is not included) 7080, 8090 etc.
8. 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 500550, where 550 is not Included.
9. 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 125130, where 130 is not included.
Answers for worksheet on data handling are given below to check the exact answers of the given questions in data handling.
1.
Number of members  3  4  5  6  7 
Frequency 
2.
Outcome  1  2  3  4  5  6 
Frequency 
3.
Wages (in Dollars)  1  3  4  5  6  
Frequency 
4.
Marks  0  10  10  20  20  30  30  40  40  50 
Frequency 
5.
Amount of the bill (in Dollars) 
300  400  400  500  500  600  600  700  700  800 
Frequency 
6.
Wages (in Dollars) 
610630  630650  650670  670690  690710  710730 
Frequency 
7.
Expenses (in Dollars) 
60  70  70  80  80  90  90  100  100  110  110  120 
Frequency 
8.
Daily earnings (in Dollars) 
500  550  550  600  600  650  650  700  700  750 
Frequency 
9.
Height(in cm)  125  130  130  135  135  140  140  145 
Frequency 
● Data Handling
● Data Handling  Worksheet
8th Grade Math Practice
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