Company Z is interested to estimate the proportion of employees favouring a new offi pranch in the city. A 1-in-10 systematic sample is obtained from employees in ea department. The results are given as in Table Q2(a). Assume that N=2000. Table Q2(a) Employee sampled Response 1 15

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Company Z is interested to estimate the proportion of employees favouring a new office
branch in the city. A 1-in-10 systematic sample is obtained from employees in each
department. The results are given as in Table Q2(a). Assume that N= 2000.
Table Q2(a)
Employee sampled
5
Response
1
15
25
1
1995
200
Yi = 158
i=1
Transcribed Image Text:Company Z is interested to estimate the proportion of employees favouring a new office branch in the city. A 1-in-10 systematic sample is obtained from employees in each department. The results are given as in Table Q2(a). Assume that N= 2000. Table Q2(a) Employee sampled 5 Response 1 15 25 1 1995 200 Yi = 158 i=1
Estimate p, the proportion in favour of the new office branch and place a
bound on the error of estimation.
(a)
(b)
Determine the sample size required to estimate p with a bound on the error of
estimation of magnitude B = 0.01.
(c)
Do you think that the sample size is suitable for the population? Explain your
answer.
Transcribed Image Text:Estimate p, the proportion in favour of the new office branch and place a bound on the error of estimation. (a) (b) Determine the sample size required to estimate p with a bound on the error of estimation of magnitude B = 0.01. (c) Do you think that the sample size is suitable for the population? Explain your answer.
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