Scroll:Data Analysis >> Average of a Set of Data >> ps (1781)

Written Instructions:

For each Multiple Choice Question (MCQ), four options are given. One of them is the correct answer. Make your choice (1,2,3 or 4). Write your answers in the brackets provided..

For each Short Answer Question(SAQ) and Long Answer Question(LAQ), write your answers in the blanks provided.

Leave your answers in the simplest form or correct to two decimal places.


 

1)  

What is the average age of this group of friends

Name Ovini Ponnalagu Panimalar Selvanayaki
Age(In years)  32  36  44  40


Answer:_______________




2)  

Poongodi's English Test scores for year 2007 are shown below. 

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  32  56  84  52


Answer:_______________




3)  

The table shows the amount of money each child saves each week.
What is the average amount of money each child save per week

Name Savithri Swathi Mithra Jeevini
Money saved  $10.20  $6.40  $8.40  $8.40

$ ___


Answer:_______________




4)  

What is the average age of this group of friends

Name Savithri Ramani Nandini Selvanayaki
Age(In years)  16  16  12  16


Answer:_______________




5)  

What is the average age of this group of friends

Name Chellamal Tulasi Pavi Keerthi
Age(In years)  20  20  20  20


Answer:_______________




6)  

What is the average growth in height for the bean plant in centimeters

Days of the week Monday Tuesday Wednesday Thursday Friday
Growth in
height(cm)		  2.5  1.0 3.4  1.2 2.0

cm


Answer:_______________




7)  

What is the average age of this group of friends

Name Selvanayaki Chithra Savithri Keerthi
Age(In years)  44  44  44  40


Answer:_______________




8)  

Ramani's English Test scores for year 2007 are shown below. 

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  40  48  60  60


Answer:_______________




9)  

The table shows the amount of money each child saves each week.
What is the average amount of money each child save per week

Name Haritha Nandini Chellamal Chithra
Money saved  $4.20  $6.20  $8.20  $6.40

$ ___


Answer:_______________




10)  

What is the average age of this group of friends

Name Chellamal Tamilselvi Nandini Selvanayaki
Age(In years)  20  12  16  16


Answer:_______________




 

1)  

What is the average age of this group of friends

Name Ovini Ponnalagu Panimalar Selvanayaki
Age(In years)  32  36  44  40

Answer: 38


SOLUTION 1 :

Step 1: 32 + 36 + 44 + 40 = 152

Step 2: 152 ÷ 4 = 38



2)  

Poongodi's English Test scores for year 2007 are shown below. 

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  32  56  84  52

Answer: 56


SOLUTION 1 :

Step 1: 32 + 56 + 84 + 52 = 224

Step 2: 224 ÷ 4 = 56



3)  

The table shows the amount of money each child saves each week.
What is the average amount of money each child save per week

Name Savithri Swathi Mithra Jeevini
Money saved  $10.20  $6.40  $8.40  $8.40

Answer: $8.35


SOLUTION 1 :

Step 1: $10.20 + $6.40 + $8.40 + $8.40 = $33.40

Step 2: $33.40 ÷ 4 = $8.35



4)  

What is the average age of this group of friends

Name Savithri Ramani Nandini Selvanayaki
Age(In years)  16  16  12  16

Answer: 15


SOLUTION 1 :

Step 1: 16 + 16 + 12 + 16 = 60

Step 2: 60 ÷ 4 = 15



5)  

What is the average age of this group of friends

Name Chellamal Tulasi Pavi Keerthi
Age(In years)  20  20  20  20

Answer: 20


SOLUTION 1 :

Step 1: 20 + 20 + 20 + 20 = 80

Step 2: 80 ÷ 4 = 20



6)  

What is the average growth in height for the bean plant in centimeters

Days of the week Monday Tuesday Wednesday Thursday Friday
Growth in
height(cm)		  2.5  1.0 3.4  1.2 2.0

Answer: 2.02 cm


SOLUTION 1 :

Step 1: 2.5 + 1.0 + 3.4 + 1.2 + 2.0 = 10.1 cm

Step 2: 10.1 ÷ 5 = 2.02 cm



7)  

What is the average age of this group of friends

Name Selvanayaki Chithra Savithri Keerthi
Age(In years)  44  44  44  40

Answer: 43


SOLUTION 1 :

Step 1: 44 + 44 + 44 + 40 = 172

Step 2: 172 ÷ 4 = 43



8)  

Ramani's English Test scores for year 2007 are shown below. 

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  40  48  60  60

Answer: 52


SOLUTION 1 :

Step 1: 40 + 48 + 60 + 60 = 208

Step 2: 208 ÷ 4 = 52



9)  

The table shows the amount of money each child saves each week.
What is the average amount of money each child save per week

Name Haritha Nandini Chellamal Chithra
Money saved  $4.20  $6.20  $8.20  $6.40

Answer: $6.25


SOLUTION 1 :

Step 1: $4.20 + $6.20 + $8.20 + $6.40 = $25.00

Step 2: $25.00 ÷ 4 = $6.25



10)  

What is the average age of this group of friends

Name Chellamal Tamilselvi Nandini Selvanayaki
Age(In years)  20  12  16  16

Answer: 16


SOLUTION 1 :

Step 1: 20 + 12 + 16 + 16 = 64

Step 2: 64 ÷ 4 = 16