Exhibit 10-1 The Figure Below Shows a Graph of Angular Velocity Versus

question 3

Multiple Choice

Exhibit 10-1
The figure below shows a graph of angular velocity versus time for a woman bicycling around a circular track. Use this exhibit to answer the following question(s) .
-The angular speed of the hour hand of a clock,in rad/s,is

• A) .
• B) .
• C) .
• D)1 800π.
• E)7 200π.

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Definitions:

Margin of Error

An expression of the amount of random sampling error in a survey's results, indicating a confidence interval within which the true value lies.

σ

Symbol representing the standard deviation of a population in statistics.

Population Mean

The average of a set of values from the entire population, representing the central tendency of the total data set.

Confidence Intervals

Intervals that are calculated from the observed data and provide a range that likely includes the true parameter of the population, expressed at a certain confidence level.