The conversation between human and AI assistant.
[|Human|] Calculate the standard deviation of the following array of numbers, [1, 2, 3, 4, 5].
[|AI|] The standard deviation of the dataset [1, 2, 3, 4, 5] is 1.58.
[|Human|] 
Calculate the standard deviation of the following array of numbers, [1, 2, 3, 4, 5].