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6th Chap 5 Vocab

Collect and Organize Data

survey a method of gathering information about a group
population the entire group of individuals or objects considered for a survey
sample a part of a population chosen for a survey
random sample a sample in which each individual or object from the given population had an equal chance of being selected
unbiased sample a sample that is representative of the population
biased sample a sample that is not representative of the population
biased question a question that suggests or leads to a specific response or excludes a certain group
cumulative frequency a running total of frequencies, shown in a column of a frequency table
relative frequency the frequency of a category of data divided by the sum of the frequencies
mean the sum of a group of numbers divided by the number of addends
median the middle number in a group of numbers arranged in numerical order
mode the number or item that occurs the most often in a set of data
Created by: dselling