III. A researcher is interested in what type of bait attracts the most moths. The number of moths in a trap was recorded for traps that were in different locations, and used different baits. The data is in the file Trap.csv, with the following columns: Column 1. Moths: The number of moths in the trap Column 2. Location: The location of the trap on a tree Top, Middle, Lower, Ground. - Column 3. Bait: Chemical The bait used - Scent, Sugar, (a) Plot the interaction plot. Does there appear to be an interaction effect? Explain your answer. (b) Find the group means for Location. (c) Find the group means for Bait. (d) Find the group means for all treatment levels. (e) Do you believe that the number of moths trapped is different for all Locations? Explain.
III. A researcher is interested in what type of bait attracts the most moths. The number of moths in a trap was recorded for traps that were in different locations, and used different baits. The data is in the file Trap.csv, with the following columns: Column 1. Moths: The number of moths in the trap Column 2. Location: The location of the trap on a tree Top, Middle, Lower, Ground. - Column 3. Bait: Chemical The bait used - Scent, Sugar, (a) Plot the interaction plot. Does there appear to be an interaction effect? Explain your answer. (b) Find the group means for Location. (c) Find the group means for Bait. (d) Find the group means for all treatment levels. (e) Do you believe that the number of moths trapped is different for all Locations? Explain.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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