Why is multicollinearity a potential problem in a multiple linear regression?
A. It becomes difficult to assess the individual importance of predictors and it decreases the standard errors of the b coefficients making them redundant.
B. It becomes difficult to assess the individual importance of predictors and it increases the standard errors of the b coefficients making them unreliable.
C. It becomes difficult to assess the collective power of predictors as it increases the levels of error in the model.
D. It becomes too easy to assess the individual importance of predictors, making the b coefficients unreliable.
Answer: B
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Given what psychologists believe to be true about how information is typically stored in the brain, how is the concept dog probably represented in your brain?
a. As a single neuron located in the prefrontal cortex b. As a network of neurons spread across multiple brain regions c. As a cluster of interconnected neurons located in the left parietal lobe d. As a cluster of interconnected neurons located in one of the occipital lobes
Explain when it is appropriate to use a one-sample t test.
What will be an ideal response?
Honey or foods containing honey should not be fed to infants because they:
a. are difficult to digest b. provide too many empty calories c. may contain botulism spores d. can cause diarrhea
Identify the specific reasoning skill that was NOT stressed in the 2000 NCTM Standards, for all students
a) Construct systematic two-column proofs. b) Investigate mathematical conjectures. c) Develop mathematical arguments. d) Recognize reasoning and proof as fundamental aspects of mathematics. e) Select and use various types of reasoning.