Question

fill in the blank.
the number of _______ for a collection of sample data is the number of sample values that can vary after certain restrictions have been imposed on all data values.
the number of for a collection of sample data is the number of sample values that can vary after certain restricta data values.
variables
degrees of freedom
modes
outliers

Explanation:

The definition provided in the question matches the concept of degrees of freedom. Degrees of freedom refer to the number of values in a calculation that are free to vary. Variables are elements that can change, but the description here is specific to degrees of freedom. Modes are the most frequently occurring values in a data set, and outliers are extreme values that deviate from other observations.

Answer:

degrees of freedom