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 Chithra Ponnalagu Tulasi Savithri
Age(In years)  36  20  32  24


Answer:_______________




2)  

What is the average age of this group of friends

Name Pavi Nandini Thamarai Panimalar
Age(In years)  36  40  36  48


Answer:_______________




3)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  88  76  56  76


Answer:_______________




4)  

What is the average age of this group of friends

Name Chithra Amutha Tamilselvi Mithra
Age(In years)  16  12  16  12


Answer:_______________




5)  

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)		  1.3  2.4 3.5  1.5 1.4

cm


Answer:_______________




6)  

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 Panimalar Tamilselvi Poongodi Keerthi
Money saved  $6.20  $10.20  $6.20  $2.20

$ ___


Answer:_______________




7)  

What is the average age of this group of friends

Name Thamarai Chellamal Ovini Indra
Age(In years)  36  20  20  36


Answer:_______________




8)  

What is the average age of this group of friends

Name Haritha Poovazhagi Ramani Parveen
Age(In years)  40  48  44  36


Answer:_______________




9)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  56  68  84  96


Answer:_______________




10)  

What is the average age of this group of friends

Name Ramani Kumutha Amutha Panimalar
Age(In years)  16  16  16  12


Answer:_______________




 

1)  

What is the average age of this group of friends

Name Chithra Ponnalagu Tulasi Savithri
Age(In years)  36  20  32  24

Answer: 28


SOLUTION 1 :

Step 1: 36 + 20 + 32 + 24 = 112

Step 2: 112 ÷ 4 = 28



2)  

What is the average age of this group of friends

Name Pavi Nandini Thamarai Panimalar
Age(In years)  36  40  36  48

Answer: 40


SOLUTION 1 :

Step 1: 36 + 40 + 36 + 48 = 160

Step 2: 160 ÷ 4 = 40



3)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  88  76  56  76

Answer: 74


SOLUTION 1 :

Step 1: 88 + 76 + 56 + 76 = 296

Step 2: 296 ÷ 4 = 74



4)  

What is the average age of this group of friends

Name Chithra Amutha Tamilselvi Mithra
Age(In years)  16  12  16  12

Answer: 14


SOLUTION 1 :

Step 1: 16 + 12 + 16 + 12 = 56

Step 2: 56 ÷ 4 = 14



5)  

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)		  1.3  2.4 3.5  1.5 1.4

Answer: 2.02 cm


SOLUTION 1 :

Step 1: 1.3 + 2.4 + 3.5 + 1.5 + 1.4 = 10.1 cm

Step 2: 10.1 ÷ 5 = 2.02 cm



6)  

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 Panimalar Tamilselvi Poongodi Keerthi
Money saved  $6.20  $10.20  $6.20  $2.20

Answer: $6.20


SOLUTION 1 :

Step 1: $6.20 + $10.20 + $6.20 + $2.20 = $24.80

Step 2: $24.80 ÷ 4 = $6.20



7)  

What is the average age of this group of friends

Name Thamarai Chellamal Ovini Indra
Age(In years)  36  20  20  36

Answer: 28


SOLUTION 1 :

Step 1: 36 + 20 + 20 + 36 = 112

Step 2: 112 ÷ 4 = 28



8)  

What is the average age of this group of friends

Name Haritha Poovazhagi Ramani Parveen
Age(In years)  40  48  44  36

Answer: 42


SOLUTION 1 :

Step 1: 40 + 48 + 44 + 36 = 168

Step 2: 168 ÷ 4 = 42



9)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  56  68  84  96

Answer: 76


SOLUTION 1 :

Step 1: 56 + 68 + 84 + 96 = 304

Step 2: 304 ÷ 4 = 76



10)  

What is the average age of this group of friends

Name Ramani Kumutha Amutha Panimalar
Age(In years)  16  16  16  12

Answer: 15


SOLUTION 1 :

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

Step 2: 60 ÷ 4 = 15