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Consider the following sample: 1, 5, 5, 3, 4, 3, 6, 4, 1, a 1) If...

Consider the following sample: 1, 5, 5, 3, 4, 3, 6, 4, 1, a

1) If the mean of this numerical data set is 3.7 , find the value of a

2) Evaluate the standard deviation the sample

3) Find P80

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