Difference between a Bar graph (Bar chart) and a histogram? Histogram : http://youtu.be/CJuDqS1b9DMVideo can’t be loaded: H-PH207X-FA12-L1v2-5_100 (http://youtu.be/CJuDqS1b9DM) Notes There are two differences, one is in the type of data that is...
The t-statistic was introduced in 1908 by William Sealy Gosset, a chemist working for the Guinness brewery in Dublin, Ireland (“Student” was his pen name). Gosset had been hired due to Claude Guinness’s policy of recruiting the...