Read a Population Count without Guessing Why - Practice 1

5 questions0m 0s

Learn the skill

Compare counts taken with the stated same method. Later minus earlier gives the observed change. A count difference alone cannot tell whether births, deaths, movement or observation differences caused it. These records are invented.

Worked example

A sample area has 12 counted plants, then 17. The recorded count rose by 5; the count alone does not explain why.

Question 1 Fictional survey 1 records 12 organisms, then 15 using the same stated method. What is the increase in the recorded count? Answer

Question 2 Fictional survey 2 records 13 organisms, then 17 using the same stated method. What is the increase in the recorded count? Answer

Question 3 Fictional survey 3 records 14 organisms, then 19 using the same stated method. What is the increase in the recorded count? Answer

Question 4 Fictional survey 4 records 15 organisms, then 21 using the same stated method. What is the increase in the recorded count? Answer

Question 5 Fictional survey 5 records 16 organisms, then 19 using the same stated method. What is the increase in the recorded count? Answer