# Further- Chapter 1- Organising and Recognising Data

 What are variables Thing we record information about CATEGORICAL- represents qualities or attribute NUMERICAL-represents quantities-discrete= "how many"- continuous= measured variables, eg height What is the mode The mode or modal value is the most frequently occurring value or category Explain histogram shape Symmetrical distribution-single or double peak where it trails off evenly on either side Skewed distribution- histogram trails off predominantly to one side- right = positive skew- left = negative skew Explain histogram outliers Any data that stands our from the main body of data and therefore atypically high or low Explain histogram centre The centre of distribution is the place where half the area of the histogram is on either side Explain histogram spread Whether the histogram is narrow or widerange= largest value - smallest value Authorjt.mcrae ID59301 Card SetFurther- Chapter 1- Organising and Recognising Data Description Organising and Recognising Data Updated2011-01-12T03:35:56Z Show Answers