An Analyst for a Financial Investment Firm Recently Went Through

question 161

True/False

An analyst for a financial investment firm recently went through the effort to determine the required sample size for estimating the mean number of transactions per year for the clients of his firm. The calculations, which were based on a 95 percent confidence level and a margin of error of ±3, gave a required sample size of 300. Given this information, the value used for the population standard deviation must have been about 26.5 transactions.

---

Definitions:

Glucose

A basic form of sugar that serves as a crucial source of energy for living beings and is found in numerous carbohydrates.

Starch

A polysaccharide carbohydrate consisting of a large number of glucose units, used by plants as a way to store energy.

Cellulose

A polysaccharide consisting of a linear chain of glucose units, serving as the main structural component of plant cell walls.

Dietary Fiber

A type of carbohydrate that the body can't digest, found in the edible parts of plants or extracted from them and has various health benefits.