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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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