Quiz 12.30 pm

What is your Matrix Number?

What is best-fit line in regression is used for?

• To make prediction

• To connect the points

• To create quadratic polynomial

• To interpolate or find values of y at a time t within the interval of definition

What letter do we use to represent correlation coefficient?

• h

• n

• r

• i

Errors may happen in regression method due to?

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What is the value of h and n in the following integration problem?

( 1,2 ) 
(1.01,4)
(1.02 ,6)
(1.03,8)
(1.04,10)

• n=5

• n=4

• h=0.01

• h=2

Using the trapezoidal rule for the following problem will yield the following results except?

• The answer is just an approximation

• The answer is under-estimated

• The answer is over-estimated

• The answer is not an exact answer

Justify your answer

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Let n, the number of segments for solving the integration problem, be equal to the last non-zero of your Matrix ID number. What type of integration numerical method technique(s) will you use to solve the problem with n segments?

Hint: Differentiate and precise between single/multiple type of techniques.

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