A set of X and Y scores has My = 8, SSy = 20, My = 5, SSy = 80, and SP = 15. What is the regresslon equation for predicting Y from X? O Y hat = 0.75X + 11 O Y hat = 0.25X - 3 O Y hat = 0.75X - 1 O Y hat = 0.5X + 6

Q: B) C) 4 B. 6. 12

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A: As per the bartleby guideline I have to solve only first question of multiple question if not…

Q: 48,24, 12,_ How does it change?

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Q: Find a and that solve the vector equation: + ß ;) = (³) 3

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Q: b) 7- 3(2х — 4) — 10

A: First we simplfy the bracket and then solve it for the value of x.

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A: We have to solve the system of linear equations.

Q: 2 4 6 -1 | 1 8 y 4 7 12 Which of the following is the y'(6) value calculated by the backward finite…

A: Gregory-Newton's Backward difference interpolation method uses the formula below to approximate the…

Q: 1) 8C3 1) 2) 6P4 2)

A: We have given two problems of combinations and permutations. We have to find the value of the given…

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A: Use substitution method to solve the integral

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A: In this question we have to find value of x.

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Q: 4 24) 4 27) + 8 = %3= 15 2|7

A: As the first question is already solved correctly we can solve the other two question as below.

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Q: c) trace(BD) d) (AB) C

A: Given, A=2-104-29,   B=0-93-1-31324,  C=601-6-11,D=-2-30141     We will compute c)  trace(BD) d)…

Q: 1.5,3,6, 12, How does it change?

A: Try to observe the logic behind the changes occurring in successive terms.

Q: II. Perform the indicated operations. 4 3 51) 5 8 5 2 9

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Q: 20) 5V80a? 22) -8V24k

A: Given query is to simplify the redicals.

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A: The objective is to find the value of x

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A: To find- if the given triangle  is congruent.

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A: Given,          A right triangle ABC is shown below :

Q: 6 3) Let C = -2 8 Find 2 C

A: We have given a matrix C  We have to find (1/2)C

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A: Given: Sample variances12=8.5Sample variances22=4

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A: Long division method Consider the first digit from the left according to the divisor, check the…