Which Statement Is Incorrect

question 121

Multiple Choice

Which statement is incorrect?

• A)Binary predictors shift the intercept of the fitted regression.
• B)If a qualitative variable has c categories, we would use only c - 1 binaries as predictors.
• C)A binary predictor has the same t test as any other predictor.
• D)If there is a binary predictor (X = 0, 1) in the model, the residuals may not sum to zero.

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Definitions:

Incomplete Dominance

Inheritance pattern in which one allele is not fully dominant over another, so the heterozygous phenotype is an intermediate blend between the two homozygous phenotypes.

Heterozygotes

Individuals having two different alleles at a locus, resulting in a variation of a genetic trait.

Codominance

Effect in which the full and separate phenotypic effects of two alleles are apparent in heterozygous individuals.

Heterozygous

Genetic condition of having two different alleles at a locus on a chromosome.