Examlex
This graph shows the angular position of an object as a function of time. What is its instantaneous angular velocity at t = 1.5 s?
Alternative Hypothesis
A statistical hypothesis that contradicts the null hypothesis, indicating the presence of an effect, difference, or relationship.
Research Question
A precisely formulated question that a study aims to answer, guiding the direction of the research.
P-value
A statistical measure that helps scientists determine the significance of their research results, indicating the probability of observing their results by chance.
Confidence Intervals
A stretch of values, from sample data analysis, that is envisaged to hold the value of an undefined population characteristic.
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