Circ. (in.) Circ. (in.) Height (in.) (c) Compute the linear correlation coefficient between the height and head circumference of a child. (Round to three decimal places as needed.)
Correlation
Correlation defines a relationship between two independent variables. It tells the degree to which variables move in relation to each other. When two sets of data are related to each other, there is a correlation between them.
Linear Correlation
A correlation is used to determine the relationships between numerical and categorical variables. In other words, it is an indicator of how things are connected to one another. The correlation analysis is the study of how variables are related.
Regression Analysis
Regression analysis is a statistical method in which it estimates the relationship between a dependent variable and one or more independent variable. In simple terms dependent variable is called as outcome variable and independent variable is called as predictors. Regression analysis is one of the methods to find the trends in data. The independent variable used in Regression analysis is named Predictor variable. It offers data of an associated dependent variable regarding a particular outcome.
11/20
compute the linear
![O Data Table
- X
Question
A pediatrician wants to determine t
height and head circumference. Sh
height and head circumference, an
Click here to see the Table of
Critical Values for Correlation Coefficient
3 0.997
4 0.950
5 0.878
6 0.811
7 0.754
8 0.707
9 0.666
10 0.632
11 0.602
12 0.576
13 0.553
14 0.532
15 0.514
16 0.497
25++++
16.9
17.6
Cire. (in.)
17.6
eight (in.)
(c) Compute the linear correlation
(Round to three decimal places as
ary
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![A pediatrician wants to determine the relation that may exist between a child's
height and head circumference. She randomly selects 8 children, measures their
height and head circumference, and obtains the data shown in the table.
Height
(inches) (inches)
27.25
Head Circumnference
17.5
Click here to see the Table of Critical Values for Correlation Coefficient.
25.25
16.9
26.5
25.75
27.25
17.3
17.1
17.6
26.75
17.2
17.1
26
27.25
17.3
254
16.9
Circ. (in.)
25+
16.9 TT>
16.9--
25+
16.9
Height (in.)
17.6
25
28
25
28
17.6
Circ. (in.)
Height (in.)
(c) Compute the linear correlation coefficient between the height and head circumference of a child,
(Round to three decimal places as needed)
310 H](/v2/_next/image?url=https%3A%2F%2Fcontent.bartleby.com%2Fqna-images%2Fquestion%2F7a42679d-1b7c-4a1a-8a40-1ae8ea0b6188%2F374a78cf-b324-463e-8466-f8957bb1b687%2F11pvj0d_processed.jpeg&w=3840&q=75)
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