Which of the following is not a condition to estimate a model for causality?
A. The error terms are distributed normally.
B. The sample is a random sample from the target population.
C. The data generating process can be described by a determining function such as
Yi = ?0 + ?1X1i + ...+ ?kXki + Ui.
D. E[Ui] = E[UiX1i] = ... E[UiXki] = 0.
Answer: A
You might also like to view...
A triploid cell contains sets of three homologous chromosomes. If a cell of a usually diploid species with 42 chromosomes per cell is triploid, this cell would be expected to have which of the following?
A) 63 chromosomes in pairs B) 63 chromosomes in 21 sets of 3 C) 63 chromosomes, each with three chromatids D) 21 chromosome pairs and 21 unique chromosomes
Which statement regarding porphyrin synthesis pathways is CORRECT?
A. The succinyl-CoA/glycine porphyrin pathway is used by all bacteria, photosynthetic eukaryotes, and archaea. B. The porphyrin biosynthetic pathways are unified at the step of 5-aminolevulinic acid. C. The glutamate porphyrin pathway is used by all non-photosynthetic eukaryotes and alpha-proteobacteria. D. There is very little conservation of porphyrin synthesis pathways between eukaryotes, bacteria, and archaea.
A purine or pyrimidine that differs in chemical structure from those normally found in DNA or RNA is called a(n) ____________________
Fill in the blank(s) with correct word
The Oxidase test is associated by which of the following product(s)
A. Carbon dioxide, ammonium, and water B. Indophenol blue C. Mixed acids D. Cytochrome oxidase E. Water and oxygen