1. One study compared forest plots in Borneo that had never been logged with similar plots that had been logged 8 years earlier. Loggers were unaware that the effects of logging would be assessed. Here are the data on the number of tree species in 12 randomly selected unlogged plots and 9 randomly selected logged plots: Unlogged 22 18 22 Logged 17 4 18 20 15 21 13 13 19 13 19 15 14 18 15 15 10 12 Does logging significantly reduce the mean number of species in a plot after 8 years?

1. One study compared forest plots in Borneo that had never been logged with similar plots that had been logged 8 years earlier. Loggers were unaware that the effects of logging would be assessed. Here are the data on the number of tree species in 12 randomly selected unlogged plots and 9 randomly selected logged plots: Unlogged 22 18 22 Logged 17 4 18 20 15 21 13 13 19 13 19 15 14 18 15 15 10 12 Does logging significantly reduce the mean number of species in a plot after 8 years?

Glencoe Algebra 1, Student Edition, 9780079039897, 0079039898, 2018

18th Edition

ISBN:9780079039897

Author:Carter

Publisher:Carter

Chapter10: Statistics

Section10.6: Summarizing Categorical Data

Problem 23PPS

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