The y-intercept of the regression line was about -123 (negative 123). Choose the BEST interpretation of that number. We can expect the weight to decrease by 123 ounces when the crown-heel length increases by one inch. We can expect the crown-heel length to be -123 inches when the weight is zero ounces. O We can expect the weight to be -123 ounces when the crown-heel length is zero inches.

MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
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CROWN-HEEL
The y-intercept of the regression line was about -123 (negative 123).
Choose the BEST interpretation of that number.
We can expect the weight to decrease by 123 ounces when the crown-heel
length increases by one inch.
We can expect the crown-heel length to be -123 inches when the weight is zero
ounces.
We can expect the weight to be -123 ounces when the crown-heel length is zero
inches.
We can expect the crown-heel length to decrease by 123 inches when the weight
increases by one ounce.
Transcribed Image Text:CROWN-HEEL The y-intercept of the regression line was about -123 (negative 123). Choose the BEST interpretation of that number. We can expect the weight to decrease by 123 ounces when the crown-heel length increases by one inch. We can expect the crown-heel length to be -123 inches when the weight is zero ounces. We can expect the weight to be -123 ounces when the crown-heel length is zero inches. We can expect the crown-heel length to decrease by 123 inches when the weight increases by one ounce.
The questions deal with the length (in inches) and weight (in ounces) of
fetuses from 20 weeks to 42 weeks gestation (23 data points). Lengths of
fetuses from the top of the head to the heel are estimated by ultrasound
measurements. A scatterplot of the data is given below.
SLR BASICS CROWN-HEEL SCATTERPLOT
140
120
100
80
linear model
60
40
20
11
13
15
17
19
21
-20
Crown-heel length (in.)
Weight (oz)
Transcribed Image Text:The questions deal with the length (in inches) and weight (in ounces) of fetuses from 20 weeks to 42 weeks gestation (23 data points). Lengths of fetuses from the top of the head to the heel are estimated by ultrasound measurements. A scatterplot of the data is given below. SLR BASICS CROWN-HEEL SCATTERPLOT 140 120 100 80 linear model 60 40 20 11 13 15 17 19 21 -20 Crown-heel length (in.) Weight (oz)
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