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 Poongodi Keerthi Tulasi Chithra
Age(In years)  36  48  32  44


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)		  3.0  3.2 1.2  3.4 1.4

cm


Answer:_______________




3)  

Swathi'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  96  92  72


Answer:_______________




4)  

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 Pavi Kumutha Savithri Thamarai
Money saved  $6.40  $4.20  $6.40  $10.40

$ ___


Answer:_______________




5)  

What is the average age of this group of friends

Name Selvanayaki Ponnalagu Ramani Poovazhagi
Age(In years)  12  12  12  16


Answer:_______________




6)  

What is the average age of this group of friends

Name Tulasi Chellamal Amutha Tamilselvi
Age(In years)  32  36  28  20


Answer:_______________




7)  

What is the average age of this group of friends

Name Thamarai Swathi Tulasi Tamilselvi
Age(In years)  48  36  48  44


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)		  3.4  3.2 1.2  1.2 3.3

cm


Answer:_______________




9)  

Nandini'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  64  40  72


Answer:_______________




10)  

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 Savithri Tamilselvi Nandini
Money saved  $2.20  $6.40  $10.20  $8.20

$ ___


Answer:_______________




 

1)  

What is the average age of this group of friends

Name Poongodi Keerthi Tulasi Chithra
Age(In years)  36  48  32  44

Answer: 40


SOLUTION 1 :

Step 1: 36 + 48 + 32 + 44 = 160

Step 2: 160 ÷ 4 = 40



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)		  3.0  3.2 1.2  3.4 1.4

Answer: 2.44 cm


SOLUTION 1 :

Step 1: 3.0 + 3.2 + 1.2 + 3.4 + 1.4 = 12.2 cm

Step 2: 12.2 ÷ 5 = 2.44 cm



3)  

Swathi'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  96  92  72

Answer: 73


SOLUTION 1 :

Step 1: 32 + 96 + 92 + 72 = 292

Step 2: 292 ÷ 4 = 73



4)  

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 Pavi Kumutha Savithri Thamarai
Money saved  $6.40  $4.20  $6.40  $10.40

Answer: $6.85


SOLUTION 1 :

Step 1: $6.40 + $4.20 + $6.40 + $10.40 = $27.40

Step 2: $27.40 ÷ 4 = $6.85



5)  

What is the average age of this group of friends

Name Selvanayaki Ponnalagu Ramani Poovazhagi
Age(In years)  12  12  12  16

Answer: 13


SOLUTION 1 :

Step 1: 12 + 12 + 12 + 16 = 52

Step 2: 52 ÷ 4 = 13



6)  

What is the average age of this group of friends

Name Tulasi Chellamal Amutha Tamilselvi
Age(In years)  32  36  28  20

Answer: 29


SOLUTION 1 :

Step 1: 32 + 36 + 28 + 20 = 116

Step 2: 116 ÷ 4 = 29



7)  

What is the average age of this group of friends

Name Thamarai Swathi Tulasi Tamilselvi
Age(In years)  48  36  48  44

Answer: 44


SOLUTION 1 :

Step 1: 48 + 36 + 48 + 44 = 176

Step 2: 176 ÷ 4 = 44



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)		  3.4  3.2 1.2  1.2 3.3

Answer: 2.46 cm


SOLUTION 1 :

Step 1: 3.4 + 3.2 + 1.2 + 1.2 + 3.3 = 12.3 cm

Step 2: 12.3 ÷ 5 = 2.46 cm



9)  

Nandini'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  64  40  72

Answer: 66


SOLUTION 1 :

Step 1: 88 + 64 + 40 + 72 = 264

Step 2: 264 ÷ 4 = 66



10)  

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 Savithri Tamilselvi Nandini
Money saved  $2.20  $6.40  $10.20  $8.20

Answer: $6.75


SOLUTION 1 :

Step 1: $2.20 + $6.40 + $10.20 + $8.20 = $27.00

Step 2: $27.00 ÷ 4 = $6.75