Chapter 1 Stats Notes 0.0 / 5 ? StatisticsHandling DataGCSEEdexcel Created by: Alexander MalinekCreated on: 14-08-14 16:05 What are Quantitative Variables? Numerical observations or measurements 1 of 16 What are Qualitative Variables? Non-numerical observations 2 of 16 What is Continuous Data? Data that can take any value on a continuous numerical scale 3 of 16 What is Discrete Data? Data that can only take particular values on a continuous numerical scale 4 of 16 What is Categorical Data? A set of data is categorical if values or observations belonging to it can be sorted into different categories 5 of 16 What values does Ranked Data have? Ranked data has values/observations that can be ranked (put in order) or have a rating scale attached. 6 of 16 What is Bivariate Data? Bivariate Data are pairs of related variables 7 of 16 How accurate is Continuous Data? It can be incorrect to +1/2- 8 of 16 What is a population? A Population is everyone of everything inside of the investigation. 9 of 16 What is Census Data? Census data contains information about every member of a population. 10 of 16 What is Sample Data? A Sample contains information about part of the population 11 of 16 What are Sampling Units? Sampling Units are people or items that are to be sampled 12 of 16 What are Sampling Frames? Sampling Frames are lists of the people or items that are to be sampled 13 of 16 What is Cluster Sampling? Cluster Sampling is used when a population being sampled naturally splits into groups or clusters 14 of 16 What is Stratified Sampling? Stratified sampling is when certain factors divide a population into sub-populations (known as strata) 15 of 16 What is Quota Sampling? Quota Sampling is a method used widely in opion polling 16 of 16
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