Commack Schools
Name:___________Period:_______Date:__________Further Thought - Lincoln IndexDirections: Complete the following questions, showing work for all calculations. Each question’s marks are clearly defined. This worksheet is due at the start of class on Monday, 12/3. Imagine two ponds, one large and one small. You catch, tag, and release 20 goldfish from each pond. The next day, you catch 20 goldfish from each pond and count 8 recaptures from the small pond and 2 from the large pond.Estimate the population of goldfish in the small pond. (3 marks)Estimate the population of goldfish in the large pond.(3 marks)Why would a large pond tend to have fewer recaptures than a small pond?(2 marks)Which of the following examples do you think reflects the largest population? Which reflects the smallest? Explain your answer.(3 marks)large first sample, large second sample, large recapturelarge first sample, large second sample, small recapturesmall first sample, large second sample, large recapturesmall first sample, small second sample, large recaptureJapan conducts a national census of its people every five years. Numbers collected from this census’ are used to inform decisions made by the Government about education, health, economics and many other things. Explain whether a sampling technique like this should be used to calculate the population of Japan? (2 marks)Explain whether this type of population sampling cost more or less in the long run?(2 marks) ................
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