ICSE Board Practice

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ICSE Grade VII - Statistics

Question 1

1.	The marks obtained by 13 students in a test are given below. Find the mean of their marks when the marks of each student is increased by 9. 14 18 30 29 25 44 36 10 8 31 6 49 45
	392 11 462 13 464 13 460 13 532 15

Question 2

2.	Find the mean of the first 10 even numbers.
	11 10 12 9 13

Question 3

3.	Find the mean of first 9 multiples of 5.
	22 26 25 27 24

Question 4

4.	Find the mean of the first 15 odd numbers.
	16 17 14 12 15

Question 5

5.	Sum of the angles of various sectors in a pie-diagram
	180° 90° 270° 360°

Question 6

6.	On a certain day, the temperature in a city was recorded as shown below. Find the time that has 10 °C temperature.
	5 a.m. 7 a.m. 1 p.m. 9 a.m. 3 p.m.

Question 7

7.	There are certain creatures in a zoo. Find the type of creature that has maximum presense in the zoo.
	Domestic animals Birds Land animals Beast animals Water animals

Question 8

8.	The following pie chart shows 1370 students of a school participating in various games. Find the game that has minimum participation.
	badminton wrestling long jump chess cricket

Question 9

9.	Given the mean of 10 samples as 5 3 10 , what is the new mean if two samples 4 and 2 are added ?
	19 4 51 10 61 12 59 12 67 14

Question 10

10.	The following pie chart shows 1330 students of a school participating in various games. Find the game that has maximum participation.
	carroms hockey long jump running tennis

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