Environmental Variable

Question 1

What is the name of the piece of equipment used to see what conditions on organism prefers

Answer 1

Choice chamber

Question 2

What are the two risks in this experiment

Answer 2

Silica gel as drying agent is an irritant

Risk of infection from maggots etc

Question 3

Describe when you use the chi squared test

Answer 3

Comparing the frequencies of cateogoric data
E.g. Dark side vs light side
You compare results to the null hypothesis

Question 4

When would you use the student t test

Answer 4

Comparing the means of two data sets

Question 5

When would you use a spearmans rank?

Answer 5

When comparing correlation