Statistics

Question 1

When do you use spearman’s rank correlation?

Answer 1

You use spearman’s rank if you are looking for a correlation or association between 2 variables.

Question 2

When do you used Chi squared?

Answer 2

Use this test if you are checking whether your experimental data is as expected and is categoric

Question 3

When do you use the Student T-test?

Answer 3

Use this test if you are comparing two means

Question 4

What is the equation for the Chi squared test?

Answer 4

Chi squared = the sum of ((observed - expected)^2 / expected)

Question 5

If your investigation involves finding the number of individuals in particular categories, which test should you use?

Answer 5

Chi2

Question 6

If your investigation involves taking measurements, which test should you use?

Answer 6

Spearman’s rank correlation or student t test.

Question 7

If your investigation involves looking for associations between different measurements from the same same, which test should you use?

Answer 7

Spearman’s rank correlation.