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Statistics - Collection of procedures and principles for gathering data and analyzing information to help people make decisions when faced with uncertainty. by Mind Map: Statistics - Collection of procedures and principles for gathering data and analyzing information to help people make decisions when faced with uncertainty.
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Statistics - Collection of procedures and principles for gathering data and analyzing information to help people make decisions when faced with uncertainty.

Procedures

population

random sample

sample survey

observational study

variable

randomized experiment

Data

dotplot

five-number summary

median

lower quartile

upper quartile

interpreting data

Problems

nonresponse bias

self-selected sample (volunteer sample)

confounding variable

Mistakes

Unrepresentative Bias

Cause-and-effect Conclusions

Statistically significant finding