Table 17 Plots 769131594720906 3 One question asked was Reca

Table 17

Plots 769,1315,94,720,906

3. One question asked was \"Recalling the last ten traffic lights you drove through, how many of them were red when you entered the intersections?\" Of the 880 respondents, 171 admitted that at least one light had been red. A practical problem with this survey is that people may not give truthful answers. What is the likely direction of the bias: do you think more or fewer than 171 of the 880 respondents really ran a red light?

More or Fewer?

(8.30) To gather data on a 1200-acre pine forest in Louisiana, the U.S. Forest Service laid a grid of 1410 equally spaced circular plots over a map of the forest. A ground survey visited a sample of 10% of these plots.

Table 17

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1. A

2. A

3. B

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Table 17 Plots 769131594720906 3 One question asked was Reca

Solution

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