please provide correct answer and brief explanation Multiple Choice: Please sele
ID: 3138154 • Letter: P
Question
please provide correct answer and brief explanation
Multiple Choice: Please select the best answer and click "submit." Suppose the correlation coefficient between a baby's weight and the price of a computer is 0.87. Which statement must be true? O A. As the baby gains weight, computer prices tend to decrease. OB. Increased computer prices cause the baby to gain weight. OC. The baby's weight gain causes the price of a computer to increase. O D. As the baby gains weight, computer prices tend to increase.Explanation / Answer
Option D is the best answer
About correlation coefficient - it is statistical measure of the degree to which changes to the value of one variable will predict change to the value of another variable.
It is about prediction and not surety
Its value like between -1 to 1 - where 0 to 1 is always positive change.
Now, if i go via option
Option A - tells about decreaseing computer price - when baby weight gains - which is incorrect - as correlation coefficient is 0.87
Option B & C - statement is made for surety ( via word causes ) - which is not correct
Option D - provides a prediction - and say - "As the baby gains weight", computer prices, tends to increase
So, Option D is correct answer
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