A Local University Administers a Comprehensive Examination to the Candidates

question 89

Essay

A local university administers a comprehensive examination to the candidates for B.S. degrees in Business Administration. Five examinations are selected at random and scored. The scores are shown below.
a.Compute the mean and the standard deviation of the sample.
b.Compute the margin of error at 95% confidence.
c.Develop a 95% confidence interval estimate for the mean of the population. Assume the population is normally distributed.

---

Definitions:

Shipping Costs

The expenses involved in transporting goods from one location to another, including freight charges, packaging, and handling fees.

Diseconomies of Scale

An economic concept where an increase in production leads to a rise in average costs per unit due to inefficiencies.

Economies of Scale

Cost advantages that a business can achieve by increasing the scale of production, leading to lower average costs per unit due to spread fixed costs and operational efficiencies.

Cycle Inventory

The portion of inventory that a company rotates in and out of stock as part of its normal business operations, reflecting the frequency of production and ordering cycles.