A College Researcher Claims That the Median Hours Worked by Full

question 77

Multiple Choice

A college researcher claims that the median hours worked by full time students is at least 13 hours per week. In a random sample of 100 students, 58 worked more than 13 hours, 10 worked exactly 13 hours and the rest
Worked less than 13 hours. Find the test statistic to test the researcherʹs claim.

• A)-2.635
• B)-2.741
• C)-3.5
• D)-3.6

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Definitions:

Biodiversity

The variety and variability of life on Earth, encompassing the diversity of species, their genes, and the ecosystems in which they live.

Tropical Rain Forests

Dense forests found in regions near the equator, known for their high biodiversity, consistent warm temperatures, and substantial rainfall.

Exotic Species

Organisms that are introduced into a region or ecosystem where they are not native, often causing harm.

Extinctions

The process through which species cease to exist or become extinct.