ISS (Statistical Services) Statistics Paper IV: Questions 1 - 5 of 79

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Question number: 1

» Demography and Vital Statistics » Stable and Stationary Populations

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Explain stationary and stable population. State the situation when the age distribution of two stable populations would be identical.

Explanation

… (122 more words) …

Question number: 2

» Demography and Vital Statistics » Sources of Demographic Data

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Discuss the main sources of demographic data in the Indian system. Give your suggestion for the measures to improve the quality of data.

Explanation

… (565 more words) …

Question number: 3

» Demography and Vital Statistics » Life Table: Main Features and Uses

Appeared in Year: 2015

Essay Question▾

Describe in Detail

Explain briefly the uses of life table

Explanation

… (176 more words) …

Question number: 4

» Operations Research and Reliability » Queuing Models » M/M/1 Model

Appeared in Year: 2015

Essay Question▾

Describe in Detail

(d) Show that for M/M/1/∞ queue model

where λn and µn are the means of Poisson and exponential distributions respectively where there are n people in the system.

Explanation

… (133 more words) …

Question number: 5

» Statistical Quality Control » Control Charts » Variable

Essay Question▾

Describe in Detail

Following is the data of 25 samples with 4 observations on the basis of volume of the bottles filled. Using a control limits for chart, test whether the production is under control?

Given are observations finding the correct mean and range values

Given are observations and we aim to check the production

Sample No.

Observations

Sample No.

Observations

1

15.85

16.02

15.83

15.93

13

15.85

15.76

15.74

15.98

2

16.12

16.00

15.85

16.01

14

15.73

15.84

15.96

16.10

3

16.00

15.91

15.94

15.83

15

16.20

16.01

16.10

15.89

4

16.20

15.85

15.74

15.93

16

16.12

16.08

15.83

15.94

5

15.74

15.86

16.21

16.10

17

16.01

15.93

15.81

15.68

6

15.94

16.01

16.14

16.03

18

15.78

16.04

16.11

16.12

7

15.75

16.21

16.01

15.86

19

15.84

15.92

16.05

16.12

8

15.82

15.94

16.02

15.94

20

15.92

16.09

16.12

15.93

9

16.04

15.98

15.83

15.98

21

16.11

16.02

16.00

15.88

10

15.64

15.86

15.94

15.89

22

15.98

15.82

15.89

15.89

11

16.11

16.00

16.01

15.82

23

16.05

15.73

15.73

15.93

12

15.72

15.85

16.12

16.15

24

16.01

16.01

15.89

15.86

25

16.08

15.78

15.92

15.98

Explanation

… (63 more words) …

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