To compare the variability of the datasets using standard deviation, let's first summarize the provided information and clarify the correct conclusion.
You provided:
- The standard deviation of Dataset A is 2.58.
- The standard deviation of Dataset B is 2.19.
Since 2.58 (Dataset A) is greater than 2.19 (Dataset B), we can conclude that Dataset A has more variability.
The correct statement is: "The standard deviation of Dataset A is 2.58. The standard deviation of Dataset B is 2.19. The standard deviation of Dataset A is larger than that of Dataset B, so Dataset A has more variability."
This option best reflects the information given and the interpretation of variabilities in the datasets.