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 Haritha Amutha Parveen Swathi
Age(In years)  16  16  12  12


Answer:_______________




2)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  96  64  40  36


Answer:_______________




3)  

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)		  2.1  3.4 1.5  3.3 3.4

cm


Answer:_______________




4)  

What is the average age of this group of friends

Name Chellamal Tamilselvi Parveen Pavi
Age(In years)  36  44  32  36


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 Chellamal Swathi Haritha Ovini
Money saved  $4.20  $8.20  $4.40  $4.20

$ ___


Answer:_______________




6)  

What is the average age of this group of friends

Name Selvanayaki Parveen Kumutha Chellamal
Age(In years)  32  20  24  28


Answer:_______________




7)  

What is the average age of this group of friends

Name Selvanayaki Swathi Kumutha Ramani
Age(In years)  12  12  16  16


Answer:_______________




8)  

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  88  48  72  84


Answer:_______________




9)  

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)		  2.3  3.4 2.5  1.1 1.4

cm


Answer:_______________




10)  

What is the average age of this group of friends

Name Indra Chithra Chellamal Thamarai
Age(In years)  48  32  36  36


Answer:_______________




 

1)  

What is the average age of this group of friends

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

Answer: 14


SOLUTION 1 :

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

Step 2: 56 ÷ 4 = 14



2)  

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

What is the average score for her English

English CA1 SA1 CA2 SA2
Score  96  64  40  36

Answer: 59


SOLUTION 1 :

Step 1: 96 + 64 + 40 + 36 = 236

Step 2: 236 ÷ 4 = 59



3)  

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)		  2.1  3.4 1.5  3.3 3.4

Answer: 2.74 cm


SOLUTION 1 :

Step 1: 2.1 + 3.4 + 1.5 + 3.3 + 3.4 = 13.7 cm

Step 2: 13.7 ÷ 5 = 2.74 cm



4)  

What is the average age of this group of friends

Name Chellamal Tamilselvi Parveen Pavi
Age(In years)  36  44  32  36

Answer: 37


SOLUTION 1 :

Step 1: 36 + 44 + 32 + 36 = 148

Step 2: 148 ÷ 4 = 37



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 Chellamal Swathi Haritha Ovini
Money saved  $4.20  $8.20  $4.40  $4.20

Answer: $5.25


SOLUTION 1 :

Step 1: $4.20 + $8.20 + $4.40 + $4.20 = $21.00

Step 2: $21.00 ÷ 4 = $5.25



6)  

What is the average age of this group of friends

Name Selvanayaki Parveen Kumutha Chellamal
Age(In years)  32  20  24  28

Answer: 26


SOLUTION 1 :

Step 1: 32 + 20 + 24 + 28 = 104

Step 2: 104 ÷ 4 = 26



7)  

What is the average age of this group of friends

Name Selvanayaki Swathi Kumutha Ramani
Age(In years)  12  12  16  16

Answer: 14


SOLUTION 1 :

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

Step 2: 56 ÷ 4 = 14



8)  

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  88  48  72  84

Answer: 73


SOLUTION 1 :

Step 1: 88 + 48 + 72 + 84 = 292

Step 2: 292 ÷ 4 = 73



9)  

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)		  2.3  3.4 2.5  1.1 1.4

Answer: 2.14 cm


SOLUTION 1 :

Step 1: 2.3 + 3.4 + 2.5 + 1.1 + 1.4 = 10.7 cm

Step 2: 10.7 ÷ 5 = 2.14 cm



10)  

What is the average age of this group of friends

Name Indra Chithra Chellamal Thamarai
Age(In years)  48  32  36  36

Answer: 38


SOLUTION 1 :

Step 1: 48 + 32 + 36 + 36 = 152

Step 2: 152 ÷ 4 = 38