Scroll:Statistics >> Direct Method >> saq (4237)


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)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20


Answer:_______________




2)  

 The number of children in 40 families in a locality are 4, 4, 6, 3, 5, 4, 4, 4, x, 6. Find x if the mean no. of children in a family is 4.

 


Answer:_______________




3)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20


Answer:_______________




4)  

 The number of children in 38 families in a locality are 5, 4, 7, 1, 3, 5, 3, 4, x, 6. Find x if the mean no. of children in a family is 6.

 


Answer:_______________




5)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20


Answer:_______________




6)  

 The number of children in 31 families in a locality are 2, 6, 6, 2, 2, 3, 4, 3, x, 3. Find x if the mean no. of children in a family is 5.

 


Answer:_______________




7)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20


Answer:_______________




8)  

 The number of children in 29 families in a locality are 3, 3, 4, 2, 2, 3, 5, 3, x, 4. Find x if the mean no. of children in a family is 5.

 


Answer:_______________




9)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20


Answer:_______________




10)  

 The number of children in 33 families in a locality are 5, 4, 5, 3, 2, 3, 4, 4, x, 3. Find x if the mean no. of children in a family is 4.

 


Answer:_______________




 

1)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20

Answer: 28.67


SOLUTION 1 :

 Mean number of bags sold

55+32+30+25+10+20
=
 
172
= 28.67
 
66


2)  

 The number of children in 40 families in a locality are 4, 4, 6, 3, 5, 4, 4, 4, x, 6. Find x if the mean no. of children in a family is 4.

Answer: 0

 


SOLUTION 1 :

 Mean number of Children in a family = 4

Total number of children = 4+4+6+3+5+4+4+4+x+6

   =  40 +x

4   =   40+x10

40 + x  = 40

= 40 - 40 = 0



3)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20

Answer: 28.67


SOLUTION 1 :

 Mean number of bags sold

55+32+30+25+10+20
=
 
172
= 28.67
 
66


4)  

 The number of children in 38 families in a locality are 5, 4, 7, 1, 3, 5, 3, 4, x, 6. Find x if the mean no. of children in a family is 6.

Answer: 22

 


SOLUTION 1 :

 Mean number of Children in a family = 6

Total number of children = 5+4+7+1+3+5+3+4+x+6

   =  38 +x

6   =   38+x10

38 + x  = 60

= 60 - 38 = 22



5)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20

Answer: 28.67


SOLUTION 1 :

 Mean number of bags sold

55+32+30+25+10+20
=
 
172
= 28.67
 
66


6)  

 The number of children in 31 families in a locality are 2, 6, 6, 2, 2, 3, 4, 3, x, 3. Find x if the mean no. of children in a family is 5.

Answer: 19

 


SOLUTION 1 :

 Mean number of Children in a family = 5

Total number of children = 2+6+6+2+2+3+4+3+x+3

   =  31 +x

5   =   31+x10

31 + x  = 50

= 50 - 31 = 19



7)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20

Answer: 28.67


SOLUTION 1 :

 Mean number of bags sold

55+32+30+25+10+20
=
 
172
= 28.67
 
66


8)  

 The number of children in 29 families in a locality are 3, 3, 4, 2, 2, 3, 5, 3, x, 4. Find x if the mean no. of children in a family is 5.

Answer: 21

 


SOLUTION 1 :

 Mean number of Children in a family = 5

Total number of children = 3+3+4+2+2+3+5+3+x+4

   =  29 +x

5   =   29+x10

29 + x  = 50

= 50 - 29 = 21



9)  

 Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.

Days Monday Teusday Wednesday Thurday Friday Saturday
No.of bags sold 55 32 30 25 10 20

Answer: 28.67


SOLUTION 1 :

 Mean number of bags sold

55+32+30+25+10+20
=
 
172
= 28.67
 
66


10)  

 The number of children in 33 families in a locality are 5, 4, 5, 3, 2, 3, 4, 4, x, 3. Find x if the mean no. of children in a family is 4.

Answer: 7

 


SOLUTION 1 :

 Mean number of Children in a family = 4

Total number of children = 5+4+5+3+2+3+4+4+x+3

   =  33 +x

4   =   33+x10

33 + x  = 40

= 40 - 33 = 7