section_problems_1_fall10-2

section_problems_1_fall10-2 - places if necessary. Use that...

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Section Problems #1 Circle all of your final answers. #1) “Conservationists have despaired over destruction of tropical rainforest by logging, clearing, and burning.” These words begin a report on a statistical study of the effects of logging in Borneo. Researchers compared forest plots that had never been logged (Group 1) with similar plots nearby that had been logged 1 year earlier (Group 2) and 8 years earlier (Group 3). All plots were 0.1 hectare in area. Here are the counts of trees for plots in each group: Group 1 27 22 29 21 19 33 16 20 24 27 28 19 Group 2 12 12 15 9 20 18 17 14 14 2 17 19 Group 3 18 4 22 15 18 19 22 12 12 Calculate the mean and standard deviation for Group 1. Round the mean to two decimal
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Unformatted text preview: places if necessary. Use that number to calculate the standard deviation. Round the standard deviation to two decimal places . #2) Consider a data set that includes every whole number from 1 to 111: 1, 2, 3, 4, 5,. .109, 110, 111 What is the five-number summary of this data set? #3) Consider a data set that includes every whole number from 1 to 114: 1, 2, 3, 4, 5,. .112, 113, 114 What is the five-number summary of this data set? #4) Consider a data set that includes every whole number from 5 to 105: 5, 6, 7, 8, 9,. .103, 104, 105 What is the five-number summary of this data set?...
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This note was uploaded on 10/17/2010 for the course PAM 2100 taught by Professor Lewis during the Spring '10 term at Adelphi.

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