Question

There are two types of sneetches, the star-bellied sneetch (S. astra) and the plain sneetch (S. simplex). Professor O. B. Servant counted sightings of these sneetches, identified each sneetch he saw, and classified their location into the three types: Ground, Tree, and Lake. The number of sightings are shown in the table below: S. astra S. simplex 42 64 47 Ground 56 Tree 41 Lake 50 Professor O. B. Servant would like to know if there is a difference in habitat use between the two types of sneetches. Use the R function pchisq.test0 to find the test statistic X2 for the test for independence, the degrees of freedom, and the p-value. X2- df p-value- Check

Answer 1

Solution:- Obsested Co) O S.astraS.Simplen 2 6 4 05 la ke 50 15 3 300 Expected () S. astso 4 9 a8 59-5525 l05 48.5457 (50 306 Lre. La ke t5 0

2 2 -tree 2.5 S15. 038 lake 0.072 3. 565 3565 7.13 romtu abore test stattstic x' 7-13 p.vaue0.0283 a nd