The following are the marks (out of 25) obtained by 20 students in a class test :
18, 21, 15, 23, 5, 7, 12, 8, 12, 18, 25, 18, 21, 15, 23, 18, 25, 5, 7, 23
Write the above data in the form of table using tally marks and answer the following questions:
How many students got marks above 20?

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Solution

Writing the data in the form of table using tally marks
From the table above,
Students who got marks above $20$ $= 2 + 3 + 2 = 7$
Hence, the number of students who got marks above $20$ are $7$ .

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Similar questions

Following data shows the marks obtained by $30$ students in a unit test :

$20, 25, 30, 24, 30, 25, 20, 19, 15, 10, 24, 25, 30, 24, 19, 30, 25, 15, 20, 24, 25, 30, 19, 19, 25, 24, 30, 19, 24, 20$

Write the above data in a tabular form using tally marks and answer the following questions :

a) Find the number of students who scored more than $25$ marks.

b) If passing marks are $20$ , then how many students got pass in this test ?

c) How many students scored marks between $15$ and $30 ?$

The marks obtained by 40 students of a class in an examination are given below.
3, 20, 13, 1, 21, 13, 3, 23, 16, 13, 18, 12, 5, 12, 5, 24, 9, 2, 7, 18, 20,3,10, 12, 7, 18, 2, 5, 7, 10, 16, 8, 16, 17, 8, 23, 24, 6, 23, 15.
Present the data in the form of a frequency distribution using equal class size, one such class being 10-15 (15 not included).

Given below are marks obtained by $20$ students in Math out of $25$ .

$21, 23, 19, 17, 12, 15, 15, 17, 17, 19, 23, 23, 21, 23, 25, 25, 21, 19, 19, 19$

Prepare a frequency distribution table for the given data.

Q. The marks obtained by 40 students of class VIII in an examination are given below:

16, 17, 18, 3, 7, 23, 18, 13, 10, 21, 7, 1, 13, 21, 13, 15, 19, 24, 16, 2, 23, 5, 12, 18, 8, 12, 6, 8, 16, 5, 3, 5, 0, 7, 9, 12, 20, 10, 2, 23

Divide the data into five groups, namely, 0-5, 5-10, 10-15, 15-20 and 20-25, where 0-5 means marks greater than or equal to 0 but less than 5 and similarly 5-10 means marks greater than or equal to 5 but less than 10, and so on. Prepare a frequency table for the grouped data.

Q. Marks obtained by the students in a class test are as follows:

16, 18, 12, 15, 10, 9, 7, 18, 9, 17, 18

. Find the mode of the data.

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The following are the marks (out of 25) obtained by 20 students in a class test :18, 21, 15, 23, 5, 7, 12, 8, 12, 18, 25, 18, 21, 15, 23, 18, 25, 5, 7, 23Write the above data in the form of table using tally marks and answer the following questions:How many students got marks above 20?

Writing the data in the form of table using tally marksFrom the table above,Students who got marks above 20 =2+3+2=7Hence, the number of students who got marks above 20 are 7.

The following are the marks (out of 25) obtained by 20 students in a class test :
18, 21, 15, 23, 5, 7, 12, 8, 12, 18, 25, 18, 21, 15, 23, 18, 25, 5, 7, 23
Write the above data in the form of table using tally marks and answer the following questions:
How many students got marks above 20?

Writing the data in the form of table using tally marks
From the table above,
Students who got marks above $20$ $= 2 + 3 + 2 = 7$
Hence, the number of students who got marks above $20$ are $7$ .