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- a city contains 69 precincts a simple random sample of...
Question: a city contains 69 precincts a simple random sample of...
Question details
A city contains 69 precincts. A simple random sample of 10 precincts was selected, and every household in each sampled precinct was questioned.
The results are shown in the table.
a) Is this an example of a cluster or stratified sampling or something else?
b) Find a point estimate of the proportion of households in the city having cable television.
|
Sampled Precinct |
Number of Households |
Number with Cable Television |
|
1 |
28 |
6 |
|
2 |
35 |
9 |
|
3 |
18 |
13 |
|
4 |
52 |
29 |
|
5 |
41 |
15 |
|
6 |
38 |
13 |
|
7 |
36 |
20 |
|
8 |
30 |
14 |
|
9 |
20 |
9 |
|
10 |
42 |
26 |
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