Use the Following to Answer Questions

question 19

Short Answer

Use the following to answer questions :
The following table gives the frequency distribution of the number of telephones owned by a sample of 50 households selected from a city.

-The percentage of households which do not own a telephone is:

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Definitions:

General Adaptation Syndrome

A triphasic reaction (comprising alarm, resistance, and exhaustion stages) to stress experienced by the body.

Viral Infections

Diseases caused by viruses, microscopic organisms that invade living cells and replicate, often leading to illness.

Bacterial Infections

Diseases caused by harmful bacteria which can lead to various health problems, depending on the area of the body affected.

T Lymphocytes

A form of white blood cell crucial for cell-mediated immune responses.