# Collection and Tabulation of Data

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• Q1

On the basis of given information answer the following question
Final marks of 20 students are as follows:
53, 61, 48, 60, 78, 68, 55, 100, 67, 90, 75, 88, 77, 37, 84, 58, 60, 48, 62, 56
How many have scored less than 50?

Marks:1

3

##### Explanation:
Three students have scored less than 50.
• Q2

Given below are the ages of 25 students of class VIII in a school. Prepare a discrete frequency distribution. Then the number of students are of age 16 years, is
15, 16, 16, 14, 17, 17, 16, 15, 15, 16, 16, 17, 15, 16, 16, 14, 16, 15, 14, 15, 16, 16, 15, 14, 15

Marks:1

10.

##### Explanation:

Frequency distribution of ages of 25 students:-

Numbers of students of age 16 years =10.

• Q3

Tally marks represent the number

Marks:1

5

##### Explanation:

Tally marks are used for counting things.

Every fifth mark is drawn across the last four marks that make the tally marks easier to count as they build up in blocks of five.

• Q4

Ekta is asked to collect data for size of shoes of students in her class VI.
Her findings are recorded in the manner shown below:
5, 7, 8, 4, 6, 6, 7, 5, 8, 4, 6, 5, 7, 6 5, 6, 5, 5, 6, 8, 6, 7
Prepare a table using tally marks, and find how many students worn the shoes of size 7?

Marks:1

4

##### Explanation:

Table of tally marks-

From the above table, 4 students wear the shoes of size 7.

• Q5

Following are the marks obtained by 15 students in a history test in class-VI:
9, 7, 12, 20, 9, 8, 9, 12, 18, 25, 13, 9, 14, 18, 8
Which mark is occuring more frequently?

Marks:1