Multiple choice questions. No explanation.

How is avariable name different from avariable label? .__:f;. It is shorter It is less detailed .f" :3. It is the main paint of reference for most syntax commands It has tighter restrictions as to which characters may be included .;j'""j;. All of the above Mutual exclusivitv refers to: g"; The degree to which a null hypothesis and an experimental hypothesis differ The extent to which only two variables are not correlated with each other The extent to which several variables are not correlated with each other The degree to which all possible values of a variable can be uniquely .. represented The absolute differences between respondents of a survey \f