Descriptive Statistics (Part 2) Standardized Data Standardized Data Percentiles and Quartiles Percentiles and Quartiles Box Plots Box Plots Grouped Data.
Box and Whiskers with Outliers. Outlier…… An extremely high or an extremely low value in the data set when compared with the rest of the values. The IQR.
Agenda Informationer –G-mails til Klaus –Brug supplerende litt. –Åben Excel (Opsamling fra sidst) Deskriptiv statistik –Teori –Små øvelser i Excel Videre.
Chapter 3, Numerical Descriptive Measures Data analysis is objective –Should report the summary measures that best meet the assumptions about the data.
Last lecture summary Which measures of variability do you know? What are they advantages and disadvantages? Empirical rule.
Central Tendency & Dispersion Types of Distributions: Normal, Skewed Central Tendency: Mean, Median, Mode Dispersion: Variance, Standard Deviation This.
Chapter 7 Normal Curves and Sampling Distributions Understanding Basic Statistics Fifth Edition By Brase and Brase Prepared by Jon Booze.
4B-1. Descriptive Statistics (Part 2) Standardized Data Standardized Data Percentiles and Quartiles Percentiles and Quartiles Box Plots Box Plots Chapter.
Dr. Héctor AllendeReview of Probability and Statistics 1 A Review of Probability and Statistics Descriptive statistics Probability Random variables Sampling.
Normal distribution. Properties of the normal distribution The center of the curve represents the mean (and median and mode). The curve is symmetrical.
Descriptive Statistics (Part 2) Chapter44 Standardized Data Percentiles, Quartiles and Box Plots Grouped Data Skewness and Kurtosis McGraw-Hill/Irwin Copyright.
20, 22, 23, 24, 24, 25, 25, 27, 35 Are there any outliers? Draw a skeleton boxplot. Draw a modified boxplot.
