In a Contingency Table, When All the Expected Frequencies Equal

question 1

True/False

In a contingency table, when all the expected frequencies equal the observed frequencies, the calculated χ² statistic equals zero.

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Definitions:

Embryonic Stage

A critical phase in prenatal development that occurs from about the 2nd to the 8th week after fertilization, during which major organs and structures begin to develop.

Germinal Stage

The first—and shortest—stage of the prenatal period, which takes place during the first two weeks following conception.

Fetal Stage

The final stage of prenatal development starting from the ninth week of pregnancy until birth, where significant growth and maturation of the fetus occur.

Fetal Stage

The final stage of prenatal development, beginning around the ninth week of pregnancy and continuing until birth, characterized by rapid growth and organ development.