How to check whethere there is a difference between 5 samples means

#1
I have five samples with their means (60, 58, 61.5, 48 and 42) and standard deviations (1, 3, 1.5, 4 and 2) for 3 trials. How to check whether there is a significant difference between these values by statistically.
 

hlsmith

Less is more. Stay pure. Stay poor.
#2
What do you mean by "3 trials"? What are your sample sizes? What is you continuous variable?