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Statistics Flashcards

Rosie Salande Statistics Year One Inglés 10 fichas

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1How can you tell if a graph is skewed to the right or to the left?A "skewed right" distribution is one in which the tail is on the right side. A "skewed left" distribution is one in which the tail is on the left side.
2What is meant by the term "mean"?It is the average for all the subjects
(in saliva = average flow for all subjects)
3What is meant by the term "standard deviation"Standard deviation gives an indication of the spread of individual values about the mean
4Name the different types of data that is used in statisticsNominal
Ordinal
Discrete
Continuous
5What is nominal data?Number of specific categories with no particular ordering e.g. eye colour, blood type, gender
6What is ordinal data?Number of specific categories which can be placed in order of importance e.g. pain scores (mild, moderate, severe, unbearable)
7What is discrete data?Data that is recorded as a whole number with usually on specific values e.g. number of missing teeth, number of cigarettes smoked that day
8What is continuous data?Data recorded to the precision of the measuring instrument e.g. salivary flow rate
9What is the two types of categorical data?Nominal
Ordinal
10What is the two types of numerical (quantitative) data?Discrete
Continuous

Descripción: Year One Statistics Fichas sobre Statistics Flashcards, creado por Rosie Salande el 14/04/2016.
Creado por: Rosie Salande
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