If the Variances of the Two Populations Are Equal, It

question 71

True/False

If the variances of the two populations are equal, it is appropriate to use the "pooled" formula to determine the t statistic for the hypothesis test of the difference in the two population means.

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Definitions:

Chromosomes

Threadlike structures located inside the nucleus of animal and plant cells, made of protein and a single molecule of DNA, carrying genetic information used in growth, development, and function.

XY

A 23rd chromosome pair that consists of an X-shaped chromosome from the mother and a Y-shaped chromosome from the father. XY zygotes become males.

Chromosomes

Threadlike structures made of DNA molecules that contain the genes and are located in the nucleus of cells.

X Chromosomes

One of the two types of sex chromosomes, where two X chromosomes typically characterize females and one X and one Y chromosome characterize males.