Scroll:Statistics >> Direct Method >> saq (4239)


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 data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 3 6 8 6 43


Answer:_______________




2)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 4 5 8 6 24


Answer:_______________




3)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 4 6 9 7 43


Answer:_______________




4)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 3 6 7 5 35


Answer:_______________




5)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 2 6 9 5 45


Answer:_______________




6)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 2 5 8 8 22


Answer:_______________




7)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 2 6 9 8 45


Answer:_______________




8)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 2 4 8 7 45


Answer:_______________




9)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 4 4 9 5 24


Answer:_______________




10)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 4 4 9 5 32


Answer:_______________




 

1)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 3 6 8 6 43

Answer: 28.67


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

3

6

8

6

4

3

 5

15

25

35

45

55

15

90

200

210

180 

165

 30   860

 

Mean  =∑ fx
∑ f

 

Mean
=
 
860
30

 

= 28.67

 



2)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 4 5 8 6 24

Answer: 56.21


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

4

5

8

6

2

4

 10

30

50

70

90

110

40

150

400

420

180 

440

 29   1630

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1630
29

 

= 56.21

 



3)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 4 6 9 7 43

Answer: 28.03


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

4

6

9

7

4

3

 5

15

25

35

45

55

20

90

225

245

180 

165

 33   925

 

Mean  =∑ fx
∑ f

 

Mean
=
 
925
33

 

= 28.03

 



4)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 3 6 7 5 35

Answer: 29.83


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

3

6

7

5

3

5

 5

15

25

35

45

55

15

90

175

175

135 

275

 29   865

 

Mean  =∑ fx
∑ f

 

Mean
=
 
865
29

 

= 29.83

 



5)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 2 6 9 5 45

Answer: 30.81


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

2

6

9

5

4

5

 5

15

25

35

45

55

10

90

225

175

180 

275

 31   955

 

Mean  =∑ fx
∑ f

 

Mean
=
 
955
31

 

= 30.81

 



6)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 2 5 8 8 22

Answer: 56.67


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

2

5

8

8

2

2

 10

30

50

70

90

110

20

150

400

560

180 

220

 27   1530

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1530
27

 

= 56.67

 



7)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 2 6 9 8 45

Answer: 31.18


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

2

6

9

8

4

5

 5

15

25

35

45

55

10

90

225

280

180 

275

 34   1060

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1060
34

 

= 31.18

 



8)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 2 4 8 7 45

Answer: 64.67


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

2

4

8

7

4

5

 10

30

50

70

90

110

20

120

400

490

360 

550

 30   1940

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1940
30

 

= 64.67

 



9)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 4 4 9 5 24

Answer: 56.43


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

4

4

9

5

2

4

 10

30

50

70

90

110

40

120

450

350

180 

440

 28   1580

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1580
28

 

= 56.43

 



10)  

The data on number of patients attending a hospital in a month are given below. Find the average number of patients attending the hospital in a day.

No. of patients (0-10) (10-20) (20-30) (30-40) (40-50)(50-60)
No. of days attending hospital 4 4 9 5 32

Answer: 26.85


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

4

4

9

5

3

2

 5

15

25

35

45

55

20

60

225

175

135 

110

 27   725

 

Mean  =∑ fx
∑ f

 

Mean
=
 
725
27

 

= 26.85