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Question: My favorite bird is the black- crowned night heron. The relative proportion of males to females is hypothesized to vary with season. To test this hypothesis,this species is counted during four seasons and the sex of each observed bird is recorded. We would like to test the null hypothesis that the numbers of males to females was the same in all four seasons. The following data are observed:Spring,males= 163Summer,males=135Fall,males=71Winter,males=43Spring,females=86Summer,females=77Fall,females=40Winter,females=38
What is the expected number of females in the summer?
What is the number of degrees of freedom associated with this test?
What is the observed statistic for this test?
What communication channels may you choose for these different departments when delivering messages about the new accounting software system? Why would you choose these specific channels.
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During the Calvin-Benson cycle, in the red Columbine plant, high-energy electrons are transferred into a newly made three carbon compound.
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Antibodies directed against HIV can enhance the infection by facilitating entry of virus into immune cells and describe in 5-6 sentences why HIV has a long asymptomatic phase and how this has contributed to the severity and spread of the AIDs pandem..
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