As of 2005, the United States had no guidelines on suggested caffeine intake for

Question

As of 2005, the United States had no guidelines on suggested caffeine intake for children and teenagers, but Canada did. On average, the recommended daily intake can be modeled by the equation mu_y = -24 + 1.3x, where we think of mu_y as being the average maximum amount of caffeine in milligrams that is safely consumed per day by a child or teenager who weighs x pounds, If one teenager weighs 10 pounds more than another, on average how many more milligrams of caffeine can he or she safely consume per day? How should the slope for this model be denoted: b_1 or beta_1?

Explanation / Answer

U = -24 + 1.3X

A) WE CAN TAKE THE AVERAGE BT CALCULATING IT FOR PEOPLE HAVING DIFFERENCE OF 10

LET THE WEIGHT OF 1ST BE 120 POUND AND THE OTHER BE 130 POUND

NOW FOE 120 POUND

U = -24+1.3*(120)

= 132

FOR 130

U = -24+1.3*(130)

= 145

DIFFERENCE = 145-132 = 13

B) THE SLOPE WILL BE DENOTED BY BETA1 AS IT IS THE ONLY D=SYMBOL USED FOR SUCH DENOTION.

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