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) The number of children in 33 families in a locality are 4, 6, 4, 1, 3, 3, 3, 2, x, 7. Find x if the mean no. of children in a family is 5.
Answer:_______________ |
| 2) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer:_______________ |
| 3) The number of children in 36 families in a locality are 4, 3, 6, 2, 2, 3, 5, 4, x, 7. Find x if the mean no. of children in a family is 4.
Answer:_______________ |
| 4) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer:_______________ |
| 5) The number of children in 37 families in a locality are 3, 3, 7, 2, 3, 5, 3, 4, x, 7. Find x if the mean no. of children in a family is 4.
Answer:_______________ |
| 6) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer:_______________ |
| 7) The number of children in 34 families in a locality are 3, 4, 7, 1, 5, 3, 3, 3, x, 5. Find x if the mean no. of children in a family is 5.
Answer:_______________ |
| 8) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer:_______________ |
| 9) The number of children in 32 families in a locality are 2, 4, 4, 2, 3, 3, 6, 3, x, 5. Find x if the mean no. of children in a family is 5.
Answer:_______________ |
| 10) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer:_______________ |
| 1) The number of children in 33 families in a locality are 4, 6, 4, 1, 3, 3, 3, 2, x, 7. Find x if the mean no. of children in a family is 5. Answer: 17 SOLUTION 1 : Mean number of Children in a family = 5 Total number of children = 4+6+4+1+3+3+3+2+x+7 = 33 +x 5 = 33 + x = 50 = 50 - 33 = 17 |
| 2) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer: 28.67 SOLUTION 1 : Mean number of bags sold
|
| 3) The number of children in 36 families in a locality are 4, 3, 6, 2, 2, 3, 5, 4, x, 7. Find x if the mean no. of children in a family is 4. Answer: 4 SOLUTION 1 : Mean number of Children in a family = 4 Total number of children = 4+3+6+2+2+3+5+4+x+7 = 36 +x 4 = 36 + x = 40 = 40 - 36 = 4 |
| 4) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer: 28.67 SOLUTION 1 : Mean number of bags sold
|
| 5) The number of children in 37 families in a locality are 3, 3, 7, 2, 3, 5, 3, 4, x, 7. Find x if the mean no. of children in a family is 4. Answer: 3 SOLUTION 1 : Mean number of Children in a family = 4 Total number of children = 3+3+7+2+3+5+3+4+x+7 = 37 +x 4 = 37 + x = 40 = 40 - 37 = 3 |
| 6) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer: 28.67 SOLUTION 1 : Mean number of bags sold
|
| 7) The number of children in 34 families in a locality are 3, 4, 7, 1, 5, 3, 3, 3, x, 5. Find x if the mean no. of children in a family is 5. Answer: 16 SOLUTION 1 : Mean number of Children in a family = 5 Total number of children = 3+4+7+1+5+3+3+3+x+5 = 34 +x 5 = 34 + x = 50 = 50 - 34 = 16 |
| 8) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer: 28.67 SOLUTION 1 : Mean number of bags sold
|
| 9) The number of children in 32 families in a locality are 2, 4, 4, 2, 3, 3, 6, 3, x, 5. Find x if the mean no. of children in a family is 5. Answer: 18 SOLUTION 1 : Mean number of Children in a family = 5 Total number of children = 2+4+4+2+3+3+6+3+x+5 = 32 +x 5 = 32 + x = 50 = 50 - 32 = 18 |
| 10) Obtain the mean number of bags sold by shopkeeper on 6 consecutive days from the following table.
Answer: 28.67 SOLUTION 1 : Mean number of bags sold
|