If the Sample Sizes in the Two Groups Are Each

question 105

Multiple Choice

If the sample sizes in the two groups are each greater than _____ and roughly comparable,then the independent groups t test is robust to rather severe departures of the _____ assumption.

• A)40;normality
• B)100;heterogeneity of variance
• C)40;probability
• D)100;unequal n

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Definitions:

Ozone

A molecule composed of three oxygen atoms, found in the Earth's stratosphere, where it forms a layer that protects life by blocking most of the sun's harmful ultraviolet radiation.

Stratosphere

The second major layer of Earth's atmosphere, just above the troposphere and below the mesosphere, known for containing the ozone layer.

Antarctica

The Earth's southernmost continent, containing the geographic South Pole, known for its extensive ice sheets and cold climate.

Ozone Depletion

The reduction of the ozone layer in the Earth's stratosphere caused by the release of certain chemical compounds, leading to increased ultraviolet radiation reaching the Earth's surface.