Question: Considering the following scenario, which method would be most appropriate when calculating the margin of error for the population mean? A research scientist wants to

Considering the following scenario, which method would be most appropriate when calculating the margin of error for the population mean?

A research scientist wants to know how many times per hour a certain strand of germ reproduces. He obtains information from $20$ ?strands of this particular germ and finds the mean to be $9.4$

$.$ ?The population is assumed to be normally distributed.

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