In developing an interval estimate for a population mean, a sample of 40 observations was used. The interval estimate was 17.25 
2.42. If the sample size had been 160 instead of 40, what would the interval estimate have been?
Definitions:
Immune System
The body's defense mechanism against pathogens, consisting of a complex network of cells, tissues, and organs.
Acidic Foods
Foods that have a low pH level, often tasting sour, and can include fruits like lemons and oranges, fermented foods, and vinegar-based products.
Uremic Syndrome
A condition resulting from the accumulation of waste products in the blood due to renal failure, leading to multiple organ system dysfunction.
Nausea And Vomiting
Unpleasant sensations in the stomach often accompanied by the urge to vomit.
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