Which of the Following Are True Assumptions Underlying Linear Regression

question 31

Multiple Choice

Which of the following are true assumptions underlying linear regression? 1) For each value of X, there is a group of Y values which is normally distributed. 2) The means of these normal distributions of Y values all lie on the regression line. 3) The standard deviations of these normal distributions are equal.

• A) Only (1)
• B) Only (2)
• C) Only (3)
• D) All of them

---

Definitions:

Flash Patterns

Sequences of light emissions, often seen in bioluminescent organisms, used for communication, mating, or predation.

Recombination

The process by which genetic material is physically mixed during sexual reproduction, leading to the production of offspring with combinations of traits that differ from those found in either parent.

Gametogenesis

The process by which gametes, the sex cells, are produced in the gonads (ovaries and testes) through a sequence of meiotic cell divisions and differentiation.

Genetic Variation

The diversity in gene frequencies within a population, caused by mutations, genetic recombination, and other factors.