A Random Sample of Size 18 Taken from a Normally

question 151

Multiple Choice

A random sample of size 18 taken from a normally distributed population revealed a sample mean of 100 and a sample variance of 49.The 95% confidence interval for the population mean would equal:

• A)93.56 - 103.98
• B)97.65 - 107.35
• C)95.52 -104.65
• D)96.52 - 103.48

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Definitions:

Uric Acid

A waste product formed from the breakdown of purines in the body, which is excreted in urine. High levels may lead to gout or kidney stones.

Freshwater Fishes

Fish species that live in bodies of freshwater like rivers, lakes, and ponds, as opposed to saltwater habitats.

Nitrogenous Wastes

Waste products that contain nitrogen, such as urea and ammonia, resulting from the metabolism of proteins.

Distal Convoluted Tubule

A portion of kidney nephron between the loop of Henle and the collecting duct system where selective reabsorption and secretion of ions occurs to maintain blood pH and electrolyte balance.