Unit 3 - Topic 3 - Reporting and critical evaluation of biological research - Section C - Data analysis

Question 1

In results how should data be presented

Answer 1

In results, data should be presented in a clear, logical manner suitable for analysis. Consideration should be given to the validity of outliers and anomalous results.

Question 2

What are statistical tests used to determine

Answer 2

Statistical tests are used to determine whether the differences between the means are likely or unlikely to have occurred by chance

Question 3

What is a statistically significant result

Answer 3

A statistically significant result is one that is
unlikely to be due to chance alone

Question 4

What do error bars indicate

Answer 4

Error bars indicate the variability of data around a mean

Question 5

If the treatment mean differs from the control
mean sufficiently for their error bars not to
overlap what does this indicate

Answer 5

If the treatment mean differs from the control mean sufficiently for their error bars not to overlap, this indicates that the difference may be significant