Social Statistics for a Diverse Society
Web Exercises
Graph Pad Software has an online t-test that has a t-test calculator at https://www.graphpad.com/quickcalcs/ttest1.cfm. You can insert up to 50 rows of data into the calculator. You will be using this t-test calculator to analyze data from the Organization for Economic Co-Operation and Development where you will compare the fertility rates for Korea and Mexico from 2006 to 2015).
Fertility Rates for Korea and Mexico
Country |
2006 |
2007 |
2008 |
2009 |
2010 |
2011 |
2012 |
2013 |
2014 |
2015 |
Korea |
1.1 |
1.3 |
1.2 |
1.1 |
1.2 |
1.2 |
1.3 |
1.2 |
1.2 |
1.2 |
Mexico |
2.4 |
2.4 |
2.3 |
2.3 |
2.3 |
2.3 |
2.2 |
2.2 |
2.2 |
2.2 |
Data retrieved from http://stats.oecd.org/Index.aspx?DataSetCode=FAMILY
In your results, you will get the mean, standard deviation, standard error of measurement, samples size, t-statistic (obtained), degrees of freedom, confidence intervals, and more data. Using the information you learned from the chapter, reflect and discuss what you found.