Bootstrap comes in handy when there is no analytical form or normal theory to help estimate the distribution of the statistics of interest, since bootstrap method can apply to most random quantities, e.g., the ratio of variance and mean.
Everyone has the right to change their name. Typically, you may legally change your name to whatever name you'd like. There are some exceptions, though: You can't change your name just to escape debt liability or to hide from criminal liability.
name change generally refers to the legal act by a person of adopting a different from their name at birth marriage or adoption the procedures and ease of a name change vary between jurisdictions