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Put the following test scores in order and group them into four groups; 80 95 78 98 84 99 82 92

Put the following test scores in order and group them into four groups; 80 95 78 98 84 99 82 92. Question of day. Finish test Notes on samples Write your own notes Exit ticket. Agenda. Valid sample. Notes on sample and populations.

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Put the following test scores in order and group them into four groups; 80 95 78 98 84 99 82 92

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  1. Put the following test scores in order and group them into four groups; 80 95 78 98 84 99 82 92 Question of day

  2. Finish test • Notes on samples • Write your own notes • Exit ticket Agenda

  3. Valid sample Notes on sample and populations

  4. Voluntary response- sampling occurs when people choose to respond • People that volunteer response have strong opinions, often negative, that may not represent population well • Convenience sampling- choosing sample by location or convenient • Often not representative of population Both are poor sampling methods

  5. Bias- occurs when poor sampling methods are used • The result of the sampling systematically favors certain outcomes

  6. Representatives of the entire population • Large enough, but not to time consuming • Does not exclude any group • Equal opportunity for all opinions Valid sample

  7. Method of collecting data Survey

  8. Pieces of Information, Numbers and facts Data

  9. Population • Census • Parameter • Statistic • Sample • Sample space You write these in

  10. Give example of biased survey Exit ticket

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