In Forming a 95% Confidence Interval for a Population Mean

question 119

True/False

In forming a 95% confidence interval for a population mean from a sample size of 20,the number of degrees of freedom from the t-distribution equals 20.

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Definitions:

Embryo Sac

Female gametophyte (megagametophyte) of flowering plants.

Polar Nuclei

Two nuclei in the embryo sac of flowering plants that fuse with a sperm cell to form the endosperm, nourishing the developing embryo.

Microspore Mother Cell

A specialized cell in plants that undergoes meiosis to produce four microspores, eventually giving rise to male gametophytes or pollen grains.

Sporophyte

The diploid multicellular stage in the life cycle of a plant or alga that produces spores through meiosis.