Twenty different statistics students are randomly selected. For each of them, their body temperature (degrees°C) is measured and their head circumference (cm) is measured. If it is found that r equals=0, does that indicate that there is no association between these two variables?
A.
No, because while there is no linear correlation, there may be a relationship that is not linear.
B.Yes, because if
r equals=0,
the variables are completely unrelated.
C.
No, because r does not measure the strength of the relationship, only its direction.
D.No, because if
r equals=0,
the variables are in a perfect linear relationship.
B.Yes, because if
r equals=0,
the variables are completely unrelated.
Correlation coefficient = r= 0 ...............there is no relationship between two variables.
Twenty different statistics students are randomly selected. For each of them, their body temperature (degrees°C) is...
Twenty different statistics students are randomly selected. For each of them, their body temperature (C) is measured and their head circumference (cm) is measured a. For this sample of paired data, what does r represent, and what does p represent? b. Without doing any research or calculations, estimate the value ofr c. Does r change if body temperatures are converted to Fahrenheit degrees? a. Choose the correct answer below. OA. ris a parameter that represents the value of the linear...
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