Based on the Selection of a Random Number,every Sixth Block

question 85

Multiple Choice

Based on the selection of a random number,every sixth block in a city in which the blocks are numbered from 1 to 960 is to be surveyed by contacting each household.This sample is

• A)area.
• B)systematic.
• C)one-stage.
• D)a,b,and c are correct.
• E)None of these are correct.

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Definitions:

Aldosterone

A steroid hormone secreted by the adrenal glands that regulates sodium and potassium balance in the blood, influencing blood pressure and fluid balance.

Hormone

Chemical substances produced in the body that regulate and control the activity of certain cells or organs.

Renin

Enzyme released by the kidneys that leads to the secretion of aldosterone and a rise in blood pressure.

Urethra

A duct through which urine is discharged from the bladder to the exterior of the body in both males and females, and through which semen is discharged in males.