CBSE Board Practice

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CBSE Grade VII - Data Handling

Question 1

1.	The marks obtained by 12 students in a test are given below. Find their mean marks. 17 13 36 31 35 6 15 29 27 19 11 37
	23 22 25 21 24

Question 2

2.	The scores obtained by 14 students in a test are given below. Find the mean score. 18 7 5 18 15 1 13 13 6 10 9 5 17 8
	9 1 2 5 18 17 10 5 14

Question 3

3.	Rainfall of 16 days (in mm) are given below. Find the mode rainfall. 14 6 5 9 11 13 8 14 8 13 10 15 10 5 9 5
	4 mm 5 mm 6 mm 7 mm 3 mm

Question 4

4.	Heights of 11 students are given below. Find the mode. Height (in cm) 132 133 135 144 149 156 162 No. of students 1 1 1 4 2 1 1
	143 cm 144 cm 145 cm 146 cm 142 cm

Question 5

5.	Given below is the column-graph showing heights of some mountain peaks. Find the mountain that has maximum height.
	Mount Everest Himadri Kilimanjaro Annapurna Appalachian

Question 6

6.	Daily wages of 13 labourers (in ₹) are given below. Find the mode wage. 492 333 414 357 333 397 438 302 416 457 464 414 333
	₹ 334.00 ₹ 333.00 ₹ 335.00 ₹ 331.00 ₹ 332.00

Question 7

7.	Temperatures of 15 days (in °C) are given below. Find the median temperature. 29 26 28 34 34 31 35 29 30 27 29 27 31 35 26
	29 °C 31 °C 28 °C 27 °C 30 °C

Question 8

8.	On a certain day, the temperature in a city was recorded as shown below. Find the time that has maximum temperature.
	1 p.m. 7 a.m. 11 a.m. 5 p.m. 9 a.m.

Question 9

9.	On a certain day, the temperature in a city was recorded as shown below. Find the time that has minimum temperature.
	9 a.m. 3 p.m. 1 p.m. 5 a.m. 7 a.m.

Question 10

10.	The scores obtained by 11 students in a test are given below. Find the range. 17 16 16 11 17 19 1 9 1 12 20
	16 1 20 19 12 7 11

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