a) If the four areas had no difference, then how many bugs would be in each? b) Calculate the Chi square test statistic and determine whether the bugs had a preference in scents. Use a = .01

MATLAB: An Introduction with Applications
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Chapter1: Starting With Matlab
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A and B
3) In a lab experiment, four different areas of an enclosed container were sprayed with a different scent in each
area. The scents were sprayed in the four outer circles in the diagram. There were 32 of the same species of
bug placed in the center in the container. After an hour, the bugs were dispersed as shown in the diagram. The
researcher wanted to know if the bugs displayed a preference for any if the scents.
a) If the four areas had no difference, then how many bugs would be in each?
b) Calculate the Chi square test statistic and determine whether the bugs had a
preference in scents. Use a = .01
Transcribed Image Text:3) In a lab experiment, four different areas of an enclosed container were sprayed with a different scent in each area. The scents were sprayed in the four outer circles in the diagram. There were 32 of the same species of bug placed in the center in the container. After an hour, the bugs were dispersed as shown in the diagram. The researcher wanted to know if the bugs displayed a preference for any if the scents. a) If the four areas had no difference, then how many bugs would be in each? b) Calculate the Chi square test statistic and determine whether the bugs had a preference in scents. Use a = .01
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