Question 1

A survey of 120 school students was done to find which activity they prefer to do in their free time:
Draw a bar graph to illustrate the above data taking the scale of 1 unit length = 5 students.
Which activity is preferred by most of the students other than playing?

Q. A survey of 120 school students was done to find which activity they prefer to do in their free time.

Preferred Activity	Number of Students
Playing	45
Reading Story Books	30
Watching T.V.	20
Listening to Music	10
Painting	15

(a) Draw a bar graph to illustrate the above data
(b) Which activity is preferred by most of the students other than playing?

Q. A survey was done to find in which game students are interested in their free time. Total numbers of students were 150.
$\begin{array}{cc}\text{Name of Game}& \text{Number of Students}\\ \text{Basketball}& 40\\ \text{Cricket}& 55\\ \text{Football}& 25\\ \text{Hockey}& 10\\ \text{Athletics}& 20\end{array}$
Draw a graph to show the given information. Take a scale: 1 unit length = 5 students.
a) Which game is preferred maximum by the students?
b) Which game is preferred maximum after basketball?
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Q. Ask 10 of your friends about what they like to do most after school.

What they like to do after school	Number of children
Watching TV
Playing football
Reading story books

Q. From the following data, relating to playing habits in various age group of 900 students. Calculate coefficient of correlation between age group and playing habits.

Age Group	15−16	16−17	17−18	18−19	19−20	20−21
Number of Students	250	200	150	120	100	80
Regular Players	200	150	90	48	30	12

Q. In a survey that happened in your school regarding 'What sport do you like to play?';
data was organized in two ways as shown, but the Gymnastics tutor was unable to identify exact preference of students. The two data confused him and he started checking Data 2 as it was looking much creative and fascinating. According to him DATA 2 gave the exact information quickly as compared to DATA 1.

State whether the statement given by the tutor is true or false.