A Researcher Is Asked to Determine the Population Size of Redwood

question 24

Essay

A researcher is asked to determine the population size of redwood trees after a fire. They randomly take 5 aerial photos, each of which represents 1 km². The total area burned by the fire was 200 km². The researcher identifies 30, 2, 42, 22, and 104 redwood trees in the photos.Answer the following questions:
(a) What is the population size of redwood trees in the burn area?
(b) When looking at the data, there is one high and one low outlier. What could cause the numbers to be so different in these two photos?
(c) How could you confirm that your estimated population size is accurate?

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Definitions:

Engineering Changes

Modifications to the design, materials, or specifications of a product or system, often made to improve performance, reduce costs, or correct defects.

Indirect Cost

Expenses not directly tied to the production of goods or services, such as administrative salaries, rent, and utilities.

Days' Payable Outstanding

A financial metric that calculates the average time it takes a company to pay its invoices from suppliers, reflecting its payment process efficiency.

Cash Conversion Cycle

An indicator that calculates how long a business requires to turn its inventory and asset investments into cash earnings from sales activities.