The small,short-lived changes in polling results caused due to random error are known as:

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Statistical noise refers to the small, short-lived changes in polling results caused by random error. Sampling bias (A) and biased sampling (B) both refer to intentional or unintentional factors that skew the results of a poll. Random sampling (C) refers to a sampling method in which every individual in the population has an equal chance of being selected, and is not directly related to statistical noise. Polling bias (E) is a general term that refers to any factors that cause a poll to be systematically biased, rather than random changes in results.

The Small,short-Lived Changes in Polling Results Caused Due to Random