Answer:
A lurking variable is a variable that has an important effect on the relationship among the variables in the study, but is not one of the explanatory variables studied. Two variables are confounded when their effects on a response variable cannot be distinguished from each other.
Answer:
Step-by-step explanation:
Y= -6
X=-2
645/560=1.151785714
Ther perccent error in her estimate is 15%
Answer: C
Step-by-step explanation:
Answer:
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Step-by-step explanation: