Maths

Question 1

The mean +- standard deviations includes over 95% of the data.
Use this information to consider whether the standard deviations suggest the differences in means are likely to be due to chance.
Explain your answer, including at least one calculation

Answer 1

mean cinnamon oil =17 / SD=2.4 / 17-2.4=14.6

positive control=13/ SD=2.2 / 13+2.2=15.2

SD values overlap so data is not significant