class of 40 students, aged 12, was measured for weight and height. The results are included in the JMP output below, along with the linear regression output.
JMP Applet
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(a)
What is the name, height, and weight of the shortest student in the class?
name
Correct: Your answer is correct.
height
Correct: Your answer is correct.
inches
weight
Correct: Your answer is correct.
lbs
(b)
What is the name, height, and weight of the tallest student in the class?
name
Correct: Your answer is correct.
height
Correct: Your answer is correct.
inches
weight
Correct: Your answer is correct.
lbs
(c)
What is the Least-Squares Regression Line (LSRL) for this data? (Round your answers to three decimal places)
weight$widehat{hspace{.5in}}$ =
Correct: Your answer is correct.
+
Correct: Your answer is correct.
âś• height
(d)
If the height was 0 inches, what would be the predicted weight? (Round your answer to the nearest integer.)
lbs
Does this weight make sense?
Yes
No
Correct: Your answer is correct.
(e)
Suppose the height of the child was 10 inches tall, what would be the predicted weight? (Round your answer to the nearest integer.)
lbs
Does this weight make sense?
Yes
No
Correct: Your answer is correct.
(f)
If we are going to make a weight prediction from a given height, we should only use height values that are between the maximum and minimum heights. What is the range of heights that we should use to predict a weight?
Correct: Your answer is correct.
to
Incorrect: Your answer is incorrect.
inches
(g)
What is the predicted weight for a child that is 69 inches tall? (Round your answer to the nearest integer.)
Incorrect: Your answer is incorrect.
lbs
Does this weight make sense?
Yes
No
Correct: Your answer is correct.