Question
In: Statistics and Probability
pediatrician wants to determine the relation between childs height and head circumference. She randomly selects 5...
pediatrician wants to determine the relation between childs height and head circumference. She randomly selects 5 children and measures height and head. A normal probability suggest the residuals are normally distributed. Height_(inches)_-_x Head_Circumference_(inches)_-_y 27.5 17.5 27 17.5 25 16.9 25.5 17.1 27.75 17.6 Test whether a linear relation exists between height and head circumference at a=0.01 level of significance. What is the null and alternative hypothesis
Solutions
orchestra answered 1 year agoRelated Solutions
pediatrician wants to determine the relation that may exist between a child's height and head circumference....
pediatrician wants to determine the relation that may exist
between a child'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 27 25.5 27.75 25 26.5 Head
Circumference (inches), y 17.5 17.1 17.6 16.9 17.3 (a) Treating
height as the explanatory variable, x, use technology to determine
the estimates of beta 0 and beta 1. beta 0 almost equalsb...
A pediatrician wants to determine the relation that may exist between a? child's height and head...
A pediatrician wants to determine the relation that may exist
between a? child's height and head circumference. She randomly
selects 8 children from her? practice, measures their height and
head? circumference, and obtains the data shown in the table.
Complete parts? (a) through? (e) to the right. Height? (in.) Head
Circumference? (in.) 27 17.4 25.5 17.2 26 17.2 25.75 17 27.75 17.5
26.5 17.2 26.25 17.2 26.75 17.4 LOADING... Click here to see the
Table of Critical Values for Correlation...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child'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 27.75 26.75 27 25 27.5 Head
Circumference (inches), y 17.6 17.3 17.5 16.9 17.5 (a) Treating
height as the explanatory variable, x, use technology to determine
the estimates of beta 0 and beta 1. beta 0almost equalsb...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child's height and head circumference. She randomly
selects 5 children and measures their height and head
circumference. The data are summarized below. A normal probability
plot suggests that the residuals are normally distributed. Complete
parts (a) and (b) below.
Height_(inches)_-_x Head
Circumference_(inches)_-_y
27.75 17.6
27 17.5
27.5 17.5
25.5 17.1
25 16.9
(a) Use technology to determine sb1.
sb1=__?__
(Round to four decimal places as needed.)
(b) Test...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child'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
25
27
26.5
27.5
25.5
Head Circumference (inches), y
16.9
17.5
17.3
17.5
17.1
(a) Treating height as the explanatory variable, X, use
technology to determine the estimates of β0 and β1.
β0 ≈b0 = ____ (Round...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child's height and head circumference. She randomly
selects 8 children from her practice, measures their height and
head circumference, and obtains the data shown in the table.
Complete parts (a) through (e) to the right. Height (in.) Head
Circumference (in.) 27.75 17.4 25 17.1 26.25 17.3 25.75 17 27.5
17.4 26.25 17.2 26 17.1 26.75 17.4 LOADING... Click here to see the
Table of Critical Values for Correlation...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child's height and head circumference. She randomly
selects five 3-year-old children from her practice, measures their
height and head circumference and obtains the data shown in the
table:
height
27.75 24.5 25.5 26 25
head circumferences(in)
17.5 17.1 17.1 17.3 16.9
(a) if the pediatrician wants to use height to predict head
circumference, determine which variable is the explanatory variable
and which is the response variable:
(b)Draw a...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child's height and head circumference. She randomly
selects 5 children and measures their height and head
circumference. The data are summarized below. A normal probability
plot suggests that the residuals are normally distributed. Complete
parts (a) and (b) below. Height (inches), x 25 27.5 27 25.5 26
Head Circumference (inches), y 16.9 17.5 17.5 17.1 17.3 (a) Use
technology to determine s Subscript b 1. s Subscript b...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child's height and head circumference. She randomly
selects 5 children and measures their height and head
circumference. The data are summarized below. A normal probability
plot suggests that the residuals are normally distributed. Complete
parts (a) and (b) below. Height (inches), x 27.75 24.5 27.5 27
26.5 Head Circumference (inches), y 17.6 17.1 17.5 17.5 17.3 (a)
Use technology to determine s Subscript b 1. s Subscript b...
A pediatrician wants to determine the relation that may exist between a child's height and head...
A pediatrician wants to determine the relation that may exist
between a child's height and head circumference. She randomly
selects 5 children and measures their height and head
circumference. The data are summarized below. A normal probability
plot suggests that the residuals are normally distributed. Complete
parts (a) and (b) below.
Height (inches), x
27 24.5 27.75 26.5 27.5
Head Circumference (inches), y
17.5 17.1 17.6 17.3 17.5
(a) Use technology to determine sb1
sb1= ______
(Round to four decimal...
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