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About significance flag

This flag indicates whether the differences in the results in this matrix are statistically significant according to a chi-square test. The distribution of observed frequencies is compared to expected frequencies from a distribution where there is no relationship between the two axes. If the total difference is greater than the chi-square statistic for the 95% confidence level, then the results are considered statistically significant.

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1/4 Select a question to visualize survey results. Use ‘+’ signs to compare answers to multiple questions. Image of signs to aggregate questions

2/4 Use these buttons to toggle between different views for the selected question(s).

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	Percentage View: Shows the number and percentage of respondents. Can be disaggregated by characteristics of respondents.
	Mean View: Shows the mean or average response for all respondents. Can be disaggregated by characteristics of respondents.
	Heat Map View: Shows the mean or average response organized by the zip code of respondents.

3/4 Choose between predefined demographic categories to disaggregate data among groups of respondents. Image of demographics dropdown

4/4 For selected questions that show the percentage of respondents across categories, a flag is displayed here that indicates if differences across groups are statistically significant.

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Sensor Data Quality Control Experiment Survey

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This project is funded through EPS - 1208732. Any opinions, findings, and conclusions or recommendations expressed in this material are those of the author(s) and do not necessarily reflect the views of the National Science Foundation.