Portage Statistics CNSL 503 Module 3 Stats questions and answers Graded A+ latest update

Portage Statistics CNSL 503 Module 3 Stats questions and answers Graded A+ latest update What is the difference between a parameter and a statistic? -A parameter is a numerical value that describes a population, such as the population mean. A statistic is a numerical value that describes a sample, such as a sample mean A statistic is a descriptive statistical result that is generated from a sample, whereas a parameter is a statistical result from a population.. Why is it important to have a representative sample? -It is important to have a representative sample, because we're trying to make inferences about a certain population. In order to make correct inferences about this population, the sample must reflect the population. For instance, not having a representative sample is what called Literary Digest to predict Alf Landon to win, when FDR actually won in a land slide. Representative sample -cons