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 (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 3 5 7 6 32


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 2 4 8 8 34


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 2 6 9 8 24


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 2 5 9 6 32


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 (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 4 5 8 8 42


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 6 8 8 33


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 4 6 6 8 43


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 3 5 7 8 24


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 2 6 9 6 25


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 5 9 5 25


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 (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 3 5 7 6 32

Answer: 55.38


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

3

5

7

6

3

2

 10

30

50

70

90

110

30

150

350

420

270 

220

 26   1440

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1440
26

 

= 55.38

 



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 2 4 8 8 34

Answer: 62.41


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

2

4

8

8

3

4

 10

30

50

70

90

110

20

120

400

560

270 

440

 29   1810

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1810
29

 

= 62.41

 



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 2 6 9 8 24

Answer: 29.52


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

2

6

9

8

2

4

 5

15

25

35

45

55

10

90

225

280

90 

220

 31   915

 

Mean  =∑ fx
∑ f

 

Mean
=
 
915
31

 

= 29.52

 



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 2 5 9 6 32

Answer: 28.33


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

2

5

9

6

3

2

 5

15

25

35

45

55

10

75

225

210

135 

110

 27   765

 

Mean  =∑ fx
∑ f

 

Mean
=
 
765
27

 

= 28.33

 



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 (0-20) (20-40) (40-60) (60-80) (80-100)(100-120)
No. of days attending hospital 4 5 8 8 42

Answer: 55.81


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

4

5

8

8

4

2

 10

30

50

70

90

110

40

150

400

560

360 

220

 31   1730

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1730
31

 

= 55.81

 



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 6 8 8 33

Answer: 58.67


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

2

6

8

8

3

3

 10

30

50

70

90

110

20

180

400

560

270 

330

 30   1760

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1760
30

 

= 58.67

 



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 4 6 6 8 43

Answer: 28.55


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

4

6

6

8

4

3

 5

15

25

35

45

55

20

90

150

280

180 

165

 31   885

 

Mean  =∑ fx
∑ f

 

Mean
=
 
885
31

 

= 28.55

 



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 3 5 7 8 24

Answer: 58.97


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

3

5

7

8

2

4

 10

30

50

70

90

110

30

150

350

560

180 

440

 29   1710

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1710
29

 

= 58.97

 



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 2 6 9 6 25

Answer: 60.00


SOLUTION 1 :

 

weights in kgf Mid value fx

0-20

20-40

40-60

60-80

80-100

100-120

2

6

9

6

2

5

 10

30

50

70

90

110

20

180

450

420

180 

550

 30   1800

 

Mean  =∑ fx
∑ f

 

Mean
=
 
1800
30

 

= 60.00

 



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 5 9 5 25

Answer: 28.67


SOLUTION 1 :

 

weights in kgf Mid value fx

0-10

10-20

20-30

30-40

40-50

50-60

4

5

9

5

2

5

 5

15

25

35

45

55

20

75

225

175

90 

275

 30   860

 

Mean  =∑ fx
∑ f

 

Mean
=
 
860
30

 

= 28.67