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Carver Memorial Hospital's surgeons have a new procedure that they think will decrease the time to perform an appendectomy.A sample of 8 appendectomies using the old method had a mean of 38 minutes with a variance of 36 minutes,while a sample of 10 appendectomies using the experimental method had a mean of 29 minutes with a variance of 16 minutes.For a right-tail test of means (assume equal variances) ,the test statistic is:
Evo Devo
The study of the evolution of the genetic control of development.
Master Genes
Genes that have a controlling influence over the expression of other genes, playing critical roles in the development and differentiation of cells.
Tumor Suppressor Genes
Genes that help regulate cell growth and division, and when mutated can lead to cancerous growths by failing to suppress tumor formation.
Cell Division
The process by which a parent cell divides into two or more daughter cells, critical for growth, repair, and reproduction in organisms.
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