Use the Following to Answer Questions

question 10

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 percentage for the second class,rounded to one decimal place,is:

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Definitions:

Modified Leaves

Leaves that have evolved for functions other than photosynthesis, such as protection, reproduction, or storage.

Inflorescences

Inflorescences refer to the arrangement and pattern of flowers on the stem of a plant, varying widely among species in form, size, and complexity.

Pinnately Netted Venation

A pattern of leaf vein formation where one main vein extends from the base to the tip of the leaf, with smaller veins branching off laterally.

Guard Cells

Specialized cells in the epidermis of leaves, stems, and other organs that regulate the opening and closing of stomata to control gas exchange.