PLEASE HELP!!!!

Mathematics

1 answer:

Diano4ka-milaya [45]2 years ago

6 0

Given: The Table of Values

To Find: The least-squares regression line for the data set in the table by using the desmos graphing calculator.

SolutionThe general form of least-squares regression line is: y = mx + b Where, m is the slope and b is the y-intercept.

Where, m is the slope and b is the y-intercept.By using the desmos graphing calculator, we get

m 2.55 b -6.435 Substitute these Values

y = (2.55)x + (-6.435)

y = 2.55x - 6.435

Answer: A

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Why are (1,2) and(2,1) not equal ordered pair?

vladimir1956 [14]

Answer:

The pairs ( 1 , 2 ) and ( 2 , 1 ) are not equal because their respective elements are not equal.

Step-by-step explanation:

The pair of elements which are in specific order is called an ordered pair. The pair ( 1 , 2 ) is not same as the pair ( 2 , 1 ). In the pair ( 1 , 2 ) 1 is in the first position and 2 is in the second position. In the pair ( 2 , 1 ), 2 is in the first position and 1 is in the second position.

Two ordered pairs ( a , b ) and (c , d ) are said to be equal if a = c and b = d. We write ( a , b ) = ( c , d ).