Q.

The enrollment in a school during six consecutive years was as follows:
$1555,1670,1750,2013,2540,2820$
Find the mean enrollment of the school for this period.

Q. A cricketer scores the following runs in eight innings:
$58,76,40,35,46,45,0,100.$
Find the mean scores.

Q. Find the mean of $3,6,1,7,4$

Q. The height of 10 girls were measured in cm and the results are as follows : 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. What is the height of the shortest girl ?

Q. To find mean number of points per game for $Z$, would you divide the total points by $3$ or by $4$? Why?

Q. The height of 10 girls were measured in cm and the results are as follows : 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. What is the height of the smallest girls ?

Q. The height of 10 girls were measured in cm and the results are as follows : 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. What is the height of the tallest girl ?

Q. $Y$ played in all the four games, how would you find mean?

Q. The rainfall ( in mm) in a city on $7$ days of a certain week was recorded as follows:

Days	Mon	Tue	Wed	Thurs	Fri	Sat	Sun
Rainfall ( in mm)	0.0	12.2	2.1	0.0	20.5	5.5	1.0

i) Find the range of the rainfall in the above data.

Q. Find the mean of the first five whole numbers.

Q. The height of 10 girls were measured in cm and the results are as follows : 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. What is the range of the data ?

Q.

Q. The height of 10 girls were measured in cm and the results are as follows : 135, 150, 139, 128, 151, 132, 146, 149, 143, 141. How many girls have heights more than the 140 ?

Q. Organize the following marks in a class assessment, in a tabular form:
$4,6,7,5,3,5,4,5,2,6,2,5,1,9,6,5,8,4,6,7$.
(i) Which number is the highest?
(ii) Which number of the lowest?
(iii) What is the range of given data?
(iv) Find the arithmetic mean.

Q. Following table shows the points of each player scored in four games:

Player	Game $1$	Game $2$	Game $3$	Game $4$
$A$	$14$	$16$	$10$	$10$
$B$	$0$	$8$	$6$	$4$
$C$	$8$	$11$	Did not play	$13$

Now answer the following questions:
Find the mean to determine $A^{\prime }s$ average number of points scored per game.

Q. Following table shows the points of each player scored in four games:

Player	Game $1$	Game $2$	Game $3$	Game $4$
$A$	$14$	$16$	$10$	$10$
$B$	$0$	$8$	$6$	$4$
$C$	$8$	$11$	Did not play	$13$

Now answer the following questions:
Who is the best performer?

Q. The rain (in $mm$) in a city on $7$ days of a certain week was recorded as follows:

Day	Mon	Tue	Wed	Thurs	Fri	Sat	Sun
Rainfall (in $mm$)	$0.0$	$12.2$	$2.1$	$0.0$	$20.5$	$5.5$	$1.0$

Find the mean rainfall for the week.

Q. The rain (in $mm$) in a city on $7$ days of a certain week was recorded as follows:

Day	Mon	Tue	Wed	Thurs	Fri	Sat	Sun
Rainfall (in $mm$)	$0.0$	$12.2$	$2.1$	$0.0$	$20.5$	$5.5$	$1.0$

On how many days was the rainfall less than the mean rainfall?

Q. The runs scored in a cricket match by $11$ players is as follows:
$6,15,120,50,100,80,10,15,8,10,15$
Find the mean, mode and median of this data. Are the three same?

Q. The scores in mathematics test (out of $25$) of students is as follows:
$19,25,23,20,9,20,15,10,5,16,25,20,24,12,20$
Find the mode and median of this data. Are they same?