Lab 3

Question 1

Repeatability

Answer 1

Likelihood of getting the same result when measuring the SAME thing twice

Question 2

Best way to count rays on fish

Answer 2

Use a microscope

Use a fine probe to feel the bumps at the base of the fin

Question 3

Paired t-test

Answer 3

Compares repeated measurements

Question 4

ANOVA

Answer 4

Like a t-test but for multiple groups

Question 5

Percent difference =

Answer 5

(measurement 1 - measurement 2)/(average of measurements 1 and 2)