PIERRE — A bill that would’ve banned misleading information on sample ballots was killed on Wednesday after a senator likened it to proof of communist Russia operating in the United States.

A simple random sample is a subset of a statistical population in which each member of the subset has an equal probability of being chosen and is meant to be an unbiased representation of a group.

In simple random sampling, each member of the group has an equal chance of getting selected. The method is commonly used in statistics, a branch of applied mathematics, to obtain a sample that is ...