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Summary Terminology for Statistics (STK110 Chapter 1)
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Describes and explains the main terms used in stats and elaborates how to identify and make use of the concepts.
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Data and StatisticsChapter 1
Terminology
Term Definition
Data Facts & figures collected, analysed & summarized 4
presentation & interpretation.
Data set All data collected in particular study.
Elements Entities on which data = collected. (who is data coll
from?)
Variable Characteristic of interest 4 elements. (what collect)
Observation Set of measurements obtained 4 particular element.
Classification of Data
Numerical meaning Can do calc Quantitative Data
Data
W/o numerical Qualitative/
Cannot do calc
meaning Categorical Data
Quantitative Data
(no numerical meaning)
Fractions-decimals (theoretical, btw any 2 values, anoth value exists)
Continuous Data: Variables such as distance, height, weight, time. (can
measure)
Integers/whole numbers (interval between values = expressed in terms of
fixed values)
Discrete Data: Variables such as # of push-ups, goals scored in game. (can
count)
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