Which of These Variables Is Most Likely to Be Bimodal

question 5

Multiple Choice

Which of these variables is most likely to be bimodal?

• A) hours of homework last week
• B) number of TV sets at home
• C) eye color
• D) number of cigarettes smoked daily
• E) head circumference

Interpret the impact of data organization (matched pairs vs. independent samples) on statistical significance testing.

Calculate the minimum sample size required for testing hypotheses about means with specific confidence levels and margins of error.

Apply and interpret the Sign Test for non-parametric inference about median differences.

Understand and apply hypothesis testing for comparing means between two groups.

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Definitions:

Viscous Lava

Lava that has a high viscosity, meaning it flows slowly due to its thick, sticky consistency.

Lateral Blast

A volcanic eruption characterized by the powerful, horizontal expulsion of ash, gas, and volcanic debris, often occurring with little to no warning.

Mount St. Helens

An active stratovolcano located in Washington State, USA, famous for its catastrophic eruption on May 18, 1980.

Steep-Sided Cone

A type of volcanic mountain with steep sides, typically formed from eruptions that deposit large amounts of volcanic material around the vent.