12.3 FSM Family Health and Safety Study data exploration

In chapter 12.3 the textbook recommends considering the statistical tools that you already know how to use. You can be 95% confident that the instructor has chosen a problem that can be resolved by the tools taught in the course. In the "wild" there are many more tools to consider. F-tests for a difference of variances (standard deviations), confidence intervals for a slope, tests for differences of medians, tests for normality, or Bayesian credible interval. All of these are beyond the scope of this introductory course. Thus the student is left with basic statistics (chapters one, two, three), correlations (chapter four), confidence intervals (chapter nine), hypothesis tests against a known mean (chapter ten), and tests for a difference in two sample means (chapter eleven). Those are the tools that have been covered, in the course an open data exploration exercise is limited to using those same tools. 

The course features reduced content to provide more time for data exploration and analysis as per the American Statistical Association Guidelines for Assessment and Instruction in Statistics Education (GAISE) recommendations of 2005 and 2016.

Spring 2026 the video playlist on domestic violence and abuse was trimmed to cope with a reduced period length. Periods are now 45 minutes due to the use of the computer laboratories for student evaluations of courses. The playlist may be spread out over the three days of this week to cope with the shortened period. A presentation was prepared to assist with the time constraints.


Due to the shortened periods, on Wednesday Doris Tulifau's TEDx talk on Making it Safe to Speak about Sexual Abuse was shown at class start. One-on-one assistance was provided during the remaining period.

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