For Exercises perform the following steps.

a. State the hypotheses and identify the claim.
b. Find the critical value.
c. Compute the test value.
d. Make the decision.
e. Summarize the results.
Use the traditional method of hypothesis testing unless otherwise specified. Assume all assumptions are valid.

Can you conclude a relationship between the class of vertebrate and whether it is endangered or threatened? Use the 0.05 level of significance. Is there a different result for the 0.01 level of significance?

Transcribed Image Text:

Mammal Bird Reptile Amphibian Fish 76 14 13 76 15 23 10 61 Endangered 68 Threatened 13