After Calculating the Sample Size Needed to Estimate a Population

question 88

Multiple Choice

After calculating the sample size needed to estimate a population proportion to within 0.04,your statistics professor told you the maximum allowable error must be reduced to just .01.If the original calculation led to a sample size of 800,the sample size will now have to be:

• A)800
• B)3,200
• C)6,400
• D)12,800

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Definitions:

Nephron Loop

Also known as the loop of Henle, the nephron loop is a section of the kidney nephron responsible for concentrating urine and conserving water and salts.

Glomerular Capsular Space

The glomerular capsular space, also known as Bowman's space, is part of the kidney nephron that encloses the glomerulus and is involved in the filtration process of blood to form urine.

Peritubular Capillaries

A network of tiny blood vessels that surround the tubules in the kidney, involved in the exchange of substances between blood and tubular fluid.

Proximal Tubule

The portion of the nephron in the kidney that processes filtrate from the glomerulus, involved in reabsorption and secretion.