This book contains 2 units; Unit 4 Surveys. This unit concentrates on stage 2 of the modelling diagram, collecting data. It describes the basic principles of selction and introduces a method called random selection, or random sampling. It examines the effects of simple random sampling and introduces a modification of this method, called systematic random sampling, which is of great practical importance. This unit also introduces the idea of a sampling distribution, which forms the theoretical basis of methods introduced in later units. Unit 5 Relationships. This unit investigates the relationship between two variables. It descibes what is meant by a relationship between two variables and introduces scatterplots in detail, in particluar addressing which variable should be plotted on which axis. PLEASE NOTE: Some of the activities in this book require the use of the statistical software package, Minitab and other module resources.
Die Inhaltsangabe kann sich auf eine andere Ausgabe dieses Titels beziehen.
This book contains 2 units; Unit 4 Surveys. This unit concentrates on stage 2 of the modelling diagram, collecting data. It describes the basic principles of selction and introduces a method called random selection, or random sampling. It examines the effects of simple random sampling and introduces a modification of this method, called systematic random sampling, which is of great practical importance. This unit also introduces the idea of a sampling distribution, which forms the theoretical basis of methods introduced in later units. Unit 5 Relationships. This unit investigates the relationship between two variables. It descibes what is meant by a relationship between two variables and introduces scatterplots in detail, in particluar addressing which variable should be plotted on which axis. PLEASE NOTE: Some of the activities in this book require the use of the statistical software package, Minitab and other module resources.
„Über diesen Titel“ kann sich auf eine andere Ausgabe dieses Titels beziehen.
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