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 Panimalar Swathi Thamarai
Age(In years)  16  16  12  12


Answer:_______________




2)  

What is the average age of this group of friends

Name Chithra Pavi Ramani Amutha
Age(In years)  40  28  36  32


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 Ovini Savithri Ponnalagu Tamilselvi
Money saved  $10.20  $2.40  $2.20  $2.20

$ ___


Answer:_______________




4)  

What is the average age of this group of friends

Name Tamilselvi Mithra Indra Amutha
Age(In years)  44  40  40  40


Answer:_______________




5)  

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  88  48  88  64


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)
 2.0  3.5 2.2  1.5 2.4

cm


Answer:_______________




7)  

What is the average age of this group of friends

Name Amutha Haritha Savithri Parveen
Age(In years)  12  16  12  16


Answer:_______________




8)  

What is the average age of this group of friends

Name Thamarai Ramani Swathi Mithra
Age(In years)  28  20  36  40


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 Swathi Poongodi Jeevini Ramani
Money saved  $2.20  $10.20  $10.20  $6.20

$ ___


Answer:_______________




10)  

What is the average age of this group of friends

Name Mithra Swathi Keerthi Ramani
Age(In years)  36  32  36  32


Answer:_______________




 

1)  

What is the average age of this group of friends

Name Parveen Panimalar Swathi Thamarai
Age(In years)  16  16  12  12

Answer: 14


SOLUTION 1 :

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

Step 2: 56 ÷ 4 = 14



2)  

What is the average age of this group of friends

Name Chithra Pavi Ramani Amutha
Age(In years)  40  28  36  32

Answer: 34


SOLUTION 1 :

Step 1: 40 + 28 + 36 + 32 = 136

Step 2: 136 ÷ 4 = 34



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 Ovini Savithri Ponnalagu Tamilselvi
Money saved  $10.20  $2.40  $2.20  $2.20

Answer: $4.25


SOLUTION 1 :

Step 1: $10.20 + $2.40 + $2.20 + $2.20 = $17.00

Step 2: $17.00 ÷ 4 = $4.25



4)  

What is the average age of this group of friends

Name Tamilselvi Mithra Indra Amutha
Age(In years)  44  40  40  40

Answer: 41


SOLUTION 1 :

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

Step 2: 164 ÷ 4 = 41



5)  

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  88  48  88  64

Answer: 72


SOLUTION 1 :

Step 1: 88 + 48 + 88 + 64 = 288

Step 2: 288 ÷ 4 = 72



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)
 2.0  3.5 2.2  1.5 2.4

Answer: 2.32 cm


SOLUTION 1 :

Step 1: 2.0 + 3.5 + 2.2 + 1.5 + 2.4 = 11.6 cm

Step 2: 11.6 ÷ 5 = 2.32 cm



7)  

What is the average age of this group of friends

Name Amutha Haritha Savithri Parveen
Age(In years)  12  16  12  16

Answer: 14


SOLUTION 1 :

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

Step 2: 56 ÷ 4 = 14



8)  

What is the average age of this group of friends

Name Thamarai Ramani Swathi Mithra
Age(In years)  28  20  36  40

Answer: 31


SOLUTION 1 :

Step 1: 28 + 20 + 36 + 40 = 124

Step 2: 124 ÷ 4 = 31



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 Swathi Poongodi Jeevini Ramani
Money saved  $2.20  $10.20  $10.20  $6.20

Answer: $7.20


SOLUTION 1 :

Step 1: $2.20 + $10.20 + $10.20 + $6.20 = $28.80

Step 2: $28.80 ÷ 4 = $7.20



10)  

What is the average age of this group of friends

Name Mithra Swathi Keerthi Ramani
Age(In years)  36  32  36  32

Answer: 34


SOLUTION 1 :

Step 1: 36 + 32 + 36 + 32 = 136

Step 2: 136 ÷ 4 = 34