X
18
5
-9
11
9
-14
-3
X = [ 18 + 5 - 9 + 11 + 9 - 14 - 3) = 17
3 * X2 = 3 * 182 + 3 * 52 + 3 * (-9)2 +3 * 112 +3 * 92 +3 * (-14)2 +3 * (-3)2 = 2511
( X - 3) = (18-3) + (5 -3) + (-9 -3) + (11 -3) + (9 -3) + (-14 -3) + (-3 -3) = -4
( 7X -10)2 = (7 *18 - 10)2 + (7 *5 - 10)2 + (7 *(-9) - 10)2 + (7 *11 - 10)2 + (7 *9 - 10)2 + (7 *(-14) - 10)2 + (7 *(-3) - 10)2
= 39333
For the following set of scores, find the value of each expression: Σ X Σ 3*X2...
A) For the following scores, find the value of each expression: X 3 5 O 2 1. Σx 2. Σx2 3. ΣΧ+1 4. Σ (Χ+1) B. For the following set of scores, find the value of each expression: X 3 2. 5 1 3 1. x2 2. (2x) 3. (X-1) 4. (x-1)2 C) For the following set of scores, find the value of each expression: X 6 -2 0 -3 -1 1. Ex 2. x2 3. (X+3) D) For the...
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9. For the following set of scores, find the value of each expresion: b. (EX)2 c. Σ(X-1) d. Σ(X-1)2 9. For the following set of scores, find the value of each expresion: a.Σ b. (EX)2 c. Σ(X-1) d. Σ(x-1)?
9. For the following set of scores, find the value of each expresion: a.Σ b. (EX)2 c. Σ(X-1) d. Σ(x-1)?
9. For the following set of scores, find the value of each expresion: a.Σ b. (EX)2 c. Σ(X-1) d. Σ(x-1)?
A sample set is as the following with a missing value x. It is known that-18 x1 101212 12 141414 1414 16 16 18 1820 2020 22 3035 What is the missing data value of the data set? What is the median? What is the variance? 9.What is the variance, if this is a population? 10. Does it skew? (Right, Left, or Not) A population is listed as the followin 10 15 11. 12. 13. 14. 15. 16. Find μ...
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