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What is the period (in hours) of a satellite circling Mars 100 km above the planet's surface? The mass of Mars is 6.42 × 1023 kg,its radius is 3.40 × 106 m,and G = 6.67 × 10-11 N ∙ m2/kg2.
Z-Value
A statistical measure that quantifies the number of standard deviations a data point is from the mean of a data set.
Standard Error
A measure of the statistical accuracy of an estimate, equal to the standard deviation of the theoretical distribution of a large population of such estimates.
N
A symbol often used to represent a sample size or the number of observations or units in a dataset.
Sampling Distribution
The spectrum of probabilities for a predetermined statistic, collected from a random sample.
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