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Standard DeviationFirst watch a Bozeman Biology video explaining standard deviation and how to calculate it. , given the following problems use excel to calculate standard deviation and copy and paste your answers to “show your work”Example: What is the standard deviation for the numbers: 75, 83, 96, 100, 121 and 125?Answer:Data758393100121125?Standard deviation20.141. Ten friends scored the following marks in their end-of-year math exam:23%, 37%, 45%, 49%, 56%, 63%, 63%, 70%, 72% and 82%What was the standard deviation of their marks?2. A booklet has 12 pages with the following numbers of words:271, 354, 296, 301, 333, 326, 285, 298, 327, 316, 287 and 314What is the standard deviation number of words per page?3. Nine friends each guessed the number of marbles in a jar.? When the answer was revealed they found they had guessed well (and one was the winner!) Here is how close they each got:-9, -7, -4, -1, 0, 2, 7, 9, 12(A negative number shows an underestimate, a positive number shows an overestimate.)What was the standard deviation of their errors?4. Ramiro did a survey of the number of pets owned by his classmates, with the following results:What was the standard deviation?Finished??You can either email this document to me: Lisenbyd@ with your first and last name as the subject Or you can print it out and bring it to class.If you e-mail it to me, please check with me to make sure I received it as the school’s spam blocker is pretty hardcore. ................
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