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 Parveen Ponnalagu Amutha Tamilselvi
Age(In years)  40  48  44  32


Answer:_______________




2)  

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)		  3.3  3.5 3.4  1.5 3.4

cm


Answer:_______________




3)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  44  76  60  40


Answer:_______________




4)  

What is the average age of this group of friends

Name Kumutha Amutha Mithra Jeevini
Age(In years)  24  32  32  24


Answer:_______________




5)  

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 Tamilselvi Selvanayaki Keerthi Ovini
Money saved  $6.20  $10.20  $2.40  $8.40

$ ___


Answer:_______________




6)  

What is the average age of this group of friends

Name Thamarai Tulasi Keerthi Tamilselvi
Age(In years)  16  16  16  12


Answer:_______________




7)  

What is the average age of this group of friends

Name Poovazhagi Jeevini Panimalar Indra
Age(In years)  48  40  36  48


Answer:_______________




8)  

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)		  1.5  1.4 3.4  2.4 2.0

cm


Answer:_______________




9)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  44  56  76  56


Answer:_______________




10)  

What is the average age of this group of friends

Name Mithra Panimalar Tamilselvi Selvanayaki
Age(In years)  32  28  36  32


Answer:_______________




 

1)  

What is the average age of this group of friends

Name Parveen Ponnalagu Amutha Tamilselvi
Age(In years)  40  48  44  32

Answer: 41


SOLUTION 1 :

Step 1: 40 + 48 + 44 + 32 = 164

Step 2: 164 ÷ 4 = 41



2)  

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)		  3.3  3.5 3.4  1.5 3.4

Answer: 3.02 cm


SOLUTION 1 :

Step 1: 3.3 + 3.5 + 3.4 + 1.5 + 3.4 = 15.1 cm

Step 2: 15.1 ÷ 5 = 3.02 cm



3)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  44  76  60  40

Answer: 55


SOLUTION 1 :

Step 1: 44 + 76 + 60 + 40 = 220

Step 2: 220 ÷ 4 = 55



4)  

What is the average age of this group of friends

Name Kumutha Amutha Mithra Jeevini
Age(In years)  24  32  32  24

Answer: 28


SOLUTION 1 :

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

Step 2: 112 ÷ 4 = 28



5)  

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 Tamilselvi Selvanayaki Keerthi Ovini
Money saved  $6.20  $10.20  $2.40  $8.40

Answer: $6.80


SOLUTION 1 :

Step 1: $6.20 + $10.20 + $2.40 + $8.40 = $27.20

Step 2: $27.20 ÷ 4 = $6.80



6)  

What is the average age of this group of friends

Name Thamarai Tulasi Keerthi Tamilselvi
Age(In years)  16  16  16  12

Answer: 15


SOLUTION 1 :

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

Step 2: 60 ÷ 4 = 15



7)  

What is the average age of this group of friends

Name Poovazhagi Jeevini Panimalar Indra
Age(In years)  48  40  36  48

Answer: 43


SOLUTION 1 :

Step 1: 48 + 40 + 36 + 48 = 172

Step 2: 172 ÷ 4 = 43



8)  

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)		  1.5  1.4 3.4  2.4 2.0

Answer: 2.14 cm


SOLUTION 1 :

Step 1: 1.5 + 1.4 + 3.4 + 2.4 + 2.0 = 10.7 cm

Step 2: 10.7 ÷ 5 = 2.14 cm



9)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  44  56  76  56

Answer: 58


SOLUTION 1 :

Step 1: 44 + 56 + 76 + 56 = 232

Step 2: 232 ÷ 4 = 58



10)  

What is the average age of this group of friends

Name Mithra Panimalar Tamilselvi Selvanayaki
Age(In years)  32  28  36  32

Answer: 32


SOLUTION 1 :

Step 1: 32 + 28 + 36 + 32 = 128

Step 2: 128 ÷ 4 = 32