A Statistics Professor Wanted to Test Whether the Grades on a Statistics

question 212

True/False

A statistics professor wanted to test whether the grades on a statistics test were the same for upper and lower classmen.The professor took a random sample of size 10 from each,conducted a test and found out that the variances were equal.For this situation,the professor should use a t test with independent samples.

---

Definitions:

Polydactylism

A genetic variation resulting in more than the usual number of fingers or toes on the hands or feet, respectively.

Tay-Sachs Disease

A genetic disorder that destroys nerve cells in the brain and spinal cord progressively due to the absence of a vital enzyme, leading to severe neurological disability and death.

Genetic Drift

Refers to the random fluctuations in the frequency of alleles within a population over time, not due to natural selection.

Sympatric Speciation

Speciation pattern in which speciation occurs within a population, in the absence of a physical barrier to gene flow.