Use the Following to Answer Questions

question 14

Short Answer

Use the following to answer questions :
The following table gives the cumulative frequency distribution of annual incomes (in thousands of dollars)for a sample of 200 families selected from a city.

-The cumulative relative frequency of the fourth class,rounded to three decimal places,is:

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Definitions:

Megaspore

The n spore in heterosporous plants that gives rise to a female gametophyte. Compare with microspore.

Sporophyte Generation

A phase in the life cycle of plants and algae that is diploid, producing spores through meiosis to give rise to the gametophyte generation.

Haploid

Describes a cell or organism that contains a single set of chromosomes, typical of gametes in sexually reproducing organisms.

Gametophyte

The sexual phase in the life cycle of plants and algae that produces gametes, or sex cells.