Twenty different statistics students are randomly selected. For each of them, their body temperature (°C) is measured and their head circumference (cm) is measured. If it is found that r= 0, does that indicate that there is no association between these two variables? Choose the correct answer below. O A. No, because while there is no linear correlation, there may be a relationship that is not linear. O B. No, because if r= 0, the variables are in a perfect linear relationship. OC. No, because r does not measure the strength of the relationship, only its direction. O D. Yes, because if r= 0, the variables are completely unrelated.
Twenty different statistics students are randomly selected. For each of them, their body temperature (°C) is measured and their head circumference (cm) is measured. If it is found that r= 0, does that indicate that there is no association between these two variables? Choose the correct answer below. O A. No, because while there is no linear correlation, there may be a relationship that is not linear. O B. No, because if r= 0, the variables are in a perfect linear relationship. OC. No, because r does not measure the strength of the relationship, only its direction. O D. Yes, because if r= 0, the variables are completely unrelated.
MATLAB: An Introduction with Applications
6th Edition
ISBN:9781119256830
Author:Amos Gilat
Publisher:Amos Gilat
Chapter1: Starting With Matlab
Section: Chapter Questions
Problem 1P
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Transcribed Image Text:predicted weight of a seal if the overhead width measured from a photograph is 2.2 cm. Car
Critical Values of the Pearson Correlation Coefficient r
0.402
0.000
0.468
0.456
0.444
0.396
0.590
0.575
0.561
0.505
0.463
0.430
0.402
0.378
18
19
20
25
30
35
40
45
50
60
70
0.361
0.335
0.312
0.294
0.279
0.254
0.236
0.220
0.207
0.196
0.361
0.330
0.305
0.286
0.269
0.256
80
90
100
In
a= 0.05
a= 0.01
Transcribed Image Text:Twenty different statistics students are randomly selected. For each of them, their body temperature (°C) is measured and their head circumference (cm) is measured. If it is found that r= 0, does that indicate that there is no
association between these two variables?
Choose the correct answer below.
O A. No, because while there is no linear correlation, there may be a relationship that is not linear.
O B. No, because if r= 0, the variables are in a perfect linear relationship.
OC. No, because r does not measure the strength of the relationship, only its direction.
O D. Yes, because if r= 0, the variables are completely unrelated.
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