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Earth has an average radius of approximately 6.4 *103 km. What is the average speed, in units of km/s, of the ground at the Earth's equator due to the daily rotation of Earth if there are 8.64 *104 seconds per day?
Critical Value
The threshold in a statistical test such that if the calculated test statistic is beyond this point, the null hypothesis is rejected.
Chi-Square Tests
Statistical tests used to determine if there is a significant difference between the expected frequencies and the observed frequencies in one or more categories.
Test Statistic
A value calculated from sample data used to evaluate the credibility of a hypothesis about a population.
Expected Frequency
The predicted number of times an event is anticipated to occur within a specified period based on probability.
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