Week 4- Statistics Study Guide Graded A+

Sample {Ans: a subset (part) of the population}Population {Ans: a group of individuals or items being studied}convenience sample {Ans: only members of the population who are easily accessible are selected}unbiased sample {Ans: a sample that accurately represents the entire population}voluntary response sample {Ans: A sample which involves only those who want to participate in the sampling}Mode {Ans: The number that occurs most often in a data set}simple random sample {Ans: each item or person in the population is as likely to be chosen as any other}Median {Ans: The number in the middle when the data is arranged in numerical order}Systematic Random Sample {Ans: the items or people are selected according to a specific time or item interval}Mean {Ans: (the average) sum of the data divided by number of data points}survey {Ans: A method of collecting data}biased sample {Ans: One or more parts of the population are favored over others}