Standard deviation is the square root of variance, but variance is given by mean, so divide by number of samples. That is : 38.5/10 = 3.58. But standard deviation equals the square root of variance, so SD = the square root of 3.85 which is 1.96.
The virginal(s): The virginal, also called virginals, usually has a rectangular case with the keyboard across the wide side. As with the spinet, the strings run side-to-side relative to the player. Again, it saves on wallspace, and again they rate their own FAQ. Virginals were fairly early, 15th and16th centuries.
Escapades in Early Music, Writing, and Editing. with 2 comments. If youâre interested in the Tudors, youâre already familiar with the sweet little instrument known as the virginal (or the virginalsâthe S doesnât make it plural, itâs just that some people pronounce it that way).