A Coffee Shop Franchise Owner Is Looking at Two Possible

question 29

Short Answer

A coffee shop franchise owner is looking at two possible locations for a new shop.To help him decide,he looks at the number of pedestrians that go by each of the two locations in one-hour segments.At location A,counts are taken for 35 one-hour units,with a mean number of pedestrians of 421 and a sample standard deviation of 122.At the second location (B),counts are taken for 50 one-hour units,with a mean number of pedestrians of 347 and a sample standard deviation of 85.Assume the two population variances are not known but are equal.Calculate a 95 percent confidence interval for the difference in pedestrian traffic at the two locations.

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Definitions:

Premature Birth

The birth of a baby at fewer than 37 weeks' gestational age, which can lead to various health issues due to underdeveloped organs.

Gestational Age

The age of an embryo or fetus calculated from the onset of the mother’s last menstrual period.

Fetal Period

The stage of prenatal development from the ninth week after fertilization until birth, when the organism is typically referred to as a fetus.

Supportive Partners

Individuals in a relationship who provide emotional, physical, and/or psychological assistance to each other.