Question
pediatrician wants to determine the relation that may exist between achild's height and head circumference. She randomly selects 5 children and measures their height and
pediatrician wants to determine the relation that may exist between achild's height and head circumference. She randomly selects 5 children and measures their height and head circumference. The data are summarized below. Complete parts(a) through(f) below.
Height(inches), x
26.75
27.75
25
25.5
27.5
Head Circumference(inches), y
17.3
17.6
16.9
17.1
17.5
(a) Treating height as the explanatoryvariable, x, use technology to determine the estimates of 0 and 1.
0b0=
(Round to four decimal places asneeded.)
1b1=
(Round to four decimal places asneeded.)
(b) Use technology to compute the standard error of theestimate, se.
se=
(Round to four decimal places asneeded.)
(c) A normal probability plot suggests that the residuals are normally distributed. Use technology to determine sb1.
sb1=
(Round to four decimal places asneeded.)
(d) Determine theP-value for this hypothesis test.
P-value=
(Round to three decimal places asneeded.)
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