Violinists can’t tell the difference between Stradivarius violins and new ones - Not Exactly Rocket Antique Italian violins, such as those crafted by Antonio Stradivari or Giuseppe Guarneri “del Gesu”, can fetch millions of dollars. Many violinists truly believe that these instruments are better than newly made violins, and several scientists have tried
Significance Testing (t-tests) | Research Rundowns Part I reviews the basics of significance testing as related to the null hypothesis and p values. Part II shows you how to conduct a t-test, using an online calculator ...
Student's t-test - Wikipedia, the free encyclopedia A t-test is any statistical hypothesis test in which the test statistic follows a .... p-value is below the threshold chosen for statistical significance (usually the 0.10, ...
Knife blade materials A collection of information on various blade steels and other materials such as talonite and titanium including a summary of personal comparisons. ... O1, like most of the high carbon or high alloy steels can benefit from an extended quench where the stee
Do Coat Hangers Sound As Good Monster Cables? – Consumerist Can you tell the difference between music that passed through a pricey Monster stereo Cable, and a coat hanger? A reader forwarded us a post from the Audioholics Home Theater Forum and its author says no. He says his brother ran an experiment on him and f
Study finds significant increase in type 1 diabetes rates among non-Hispanic white youth Researchers found that from 2002 to 2009, the rate of type 1 diabetes rose from 24.4 per 100,000 youth in the first year of the study to 27.4 per 100,000 youth in the last year of the study. Credit: Kaiser Permanente The rate of non-Hispanic white youth d
How DNA Testing Is Changing Fatherhood - NYTimes.com Tanner Pruitt holding a plaster handprint of his daughter. After divorcing the girl’s mother, he paid child support for years before a DNA test revealed that he was not the biological father. He has subsequently received full custody of the girl.
Making Sense of the Two-Sample T-Test - iSixSigma T-test of difference = 0 (vs not =): T-value = 1.12, P-value = 0.289, DF = 10 ... The organization wants to test this at significance level of 0.05, i.e., it is willing to ...
Testing Differences Between Means - Online Statistics State the assumptions for testing the difference between two means ... Compute the standard error of the difference between means; Compute t and p for the ... and will compute a significance test on the difference between the mean score of ...
T-Test | Statistically Significant Consulting A statistics T-Test is one of the many analyses I can provide as a statistical ... t-test simply tests whether or not two independent populations have different mean ...
