EDFN 1090/1092 Practice Problems in Measures of Variability 2 1. Find the variance and standard deviation of the sample. a. 15, 16, 17, 18, 19 Computational Formula X2 Definitional Formula Mean (X-Меan) (X - Mean) E(X²)= E(x- Meany= Calculate: b. 4, 5, 6, 7, 9 Definitional Formula Computational Formula OR X2 Mean (X- Мean) (X - Mean) ΣΧΕ E(X2) = E(x- Mean)= Calculate:

Q: 3- 0 2 3

A: Here no particular part is mention and more that three sub parts are given, we will solve first 3…

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A: Clearly the line is passing through the origin.

Q: e. lim f(1) f. lim f(r) 2 g. lim f(1)

A: e) -1+ is greater than -1, so we will take the second piece of the function

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A: This question is about application of complimentary angles

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Q: 5 + 1 4. 4n

A: We’ll answer the 1st question since we answer only one question at a time. Please submit a new…