Archive for the ‘Statistics’ Category

• Histogram and Barchart(Bar Graph)

  Jan 22, 13 • 1356 Views • Statistics • BRAINSTROM • Comments

  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...

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  Why is the the t test called as such ? Why is it Named So…Guinness Beer

  May 8, 12 • 7665 Views • Featured, Statistics • BRAINSTROM • Comments

  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...