Summary Statistics Exam Questions And Answers ( Verified And Updated )

Summary Statistics Exam Questions And Answers ( Verified And Updated ) Standard Deviation - answerThe average distance that each value in a data set is away from the mean Variance - answerAverage squared deviations from the mean Range - answerThe difference between the maximum value and the minimum value of a data set What does a low standard deviation indicate about a data set as opposed to a high standard deviation? - answerA low standard deviation indicates the values in a data set tend to be relatively close to the mean. A high standard deviation indicates the values in a data set are spread out over a larger range. What is the standard deviation of a data set in relation to its variance? - answerThe square root of the variance Quartile 1/Lower Quartile (Q1) - answerThe 25th percentile of a data set Quartile 3/Upper Quartile (Q3) - answerThe 75th percentile of a data set