stats

Question 1

unpaired vs paired t-test?

Answer 1

• paired: measurements from same individual
• unpaired: different individuals (often of same species)

Question 2

what are the advantages of using a computer to collect data?

Answer 2

allows continual data collection
less risk of error / remove human error
allows for , easier / direct / immediate , data analysis

Question 3

how can Q10 be calculated?

Answer 3

• Rate 2 / Rate 1

Question 4

advantages of SD bars over range bars

Answer 4

(standard deviation shows) spread of
data compared to mean
reduces the effect of an anomaly (in
a data point at the extreme of the
range)

Question 5

What factors increase validity in a study?

Answer 5

• random selection
• standardised method
• control variables
• repeats