15. Show that the formula for mean deviation from the mean can be written in the form 2 M.D. - Σi-Σ jnl Σ j-Σ jx] N

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Q: a) Calculate the mean y and the standard deviation o, of the given 15 numbers (4). b) Using the…

A: Given data 637, 144, 821, 179, 180, 152, 435, 881, 500, 569, 88, 444, 705, 982, 359 To find mean,…

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Q: Determine the difference between the fourth moment about the origin (10) and the fourth moment about…

A: Given information: Moment of origin(O)=10n=4

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A: The weighted mean formula is, x=∑i=1nxiwi∑i=1nwi

Q: Prove the Mean Value Theorem

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Q: P(1.15 < Z < 2.77) =

A: X~N( 0 , 1 )   μ=0 , ?=1 (for standard normal distribution)   Z-score =( x - μ )/?

Q: 146. From the data given below find the number of items (n) : r= 0.5, E xy = 120, ơy= 8, E x = 90…

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Q: 1 and x = 3 1 3 Find the mean value of y = between x = - +3 2 — х — Зх2

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Q: If: y = ax² + bx³ where a = 13 and b = 5, find the mean value of y for X between 1 and 3

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A: 5. Given that  μ=73σ=5 d) 1.75&lt;z(1.75σ)+μ&lt;x(1.75*5)+73&lt;x              81.75&lt;x

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Q: 5. The mean and variance of a Binomial variable X are 4 respectively 4 and Find P(X ≥ 3).

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Q: 41. (a) Find the harmonic mean from the following: 25 28. 10 13 15 20

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Q: solve for t.

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Q: Determine the difference between the fourth moment about the origin (10) and the fourth moment about…

A: Given information: Moment of origin, O=10n=4

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Q: 3. Find the geometric mean between 8x and x²/2.

A: Given: The expressions are 8x and x32 To find the geometric mean between 8x and x32 If the geometric…

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Q: 9. Vhat is the mean of this data? 3x10, 4x105, 5x105 GXIo5, 7 x105. A. 3,5 X105 C. 6.5 X105 B. 4x105…

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Q: Which of the following is the closest estimate of r for the following scatterplot? a. .4    b. 0…

A: Introduction The scatterplot is a graphical representation of the relationship b/w the 2 variables.

Q: Geometric Mean GM = VXi- Xx · ... · Xn %3D Antibo (* E ly X:)-

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Q: * Determine the difference between the fourth moment about the origin (10) and the fourth moment…

A: We have given data set: x 2 12 22 32