(Step-by-Step) You have the distribution of grades in a Statistics exam -- X f(x) 55 3 56 13 57 a 58 13 59 3 Calculate the average grade Calculate the value
Question: You have the distribution of grades in a Statistics exam --
X f(x)
55 3
56 13
57 a
58 13
59 3
- Calculate the average grade
- Calculate the value of a if you know that the standard deviation is equal approximately 0.85
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Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document 