Consider the Following to Answer the Question(s) Below

question 17

Multiple Choice

Consider the following to answer the question(s) below:
A walk-in medical clinic believes that arrivals are equally distributed over weekdays (Monday through Friday) . It has collected the following data based on a random sample of 100 days.

-What is the value of the test statistic?

• A) 2.50
• B) 7.7794
• C) 3.62
• D) 2.46
• E) 6.94

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Definitions:

Indicator Species

Organisms used to assess the health of an environment or ecosystem because their presence, abundance, or lack thereof reflects specific environmental conditions.

Keystone Species

A species that has a disproportionately large impact on its ecosystem, influencing the types and numbers of other species in a community.

Pioneer Species

First species to colonize previously disrupted or damaged ecosystems, initiating an ecological succession that leads to a more biodiverse steady-state ecosystem.

Keystone Species

A vital species within an ecosystem whose presence significantly influences the biodiversity and stability of the environment.