If H0 Is True in a Chi-Square Test of Independence

question 37

Multiple Choice

If H0 is true in a chi-square test of independence, then the expected and observed.

• A)means in a cell of a contingency table should be about equal
• B)standard deviations in a cell of a contingency table should be about equal
• C)frequencies in a cell of a contingency table should be unequal
• D)frequencies in a cell of a contingency table should be about equal

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Definitions:

Sleep Apnea

A sleep disorder characterized by pauses in breathing or periods of shallow breathing during sleep, which can lead to health problems.

Stage 4 Sleep

A deep stage of sleep characterized by delta brain waves; it is a period of restorative sleep.

Stage 2

A phase in various progression models that typically follows an initial or foundational stage, indicating further development or complexity.

REM

Rapid Eye Movement, a sleep phase characterized by fast movements of the eyes, where dreaming often occurs, and brain activity resembles that of being awake.