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A random sample of 25 roundtrip flights between Philadelphia and Dallas has an average airfare of $393.50 with a sample standard deviation of $50.30. The margin of error for a 90% confidence interval around this sample mean is -----.
Female Students
Refers to learners or attendees of an educational institution who identify as female.
Meta-Analysis
A statistical method for combining the results of multiple studies on a topic to integrate findings and draw conclusions.
Chi-square Distribution
A probability distribution that describes the distribution of the sum of the squares of k independent standard normal random variables.
Positive Values
Numbers greater than zero.
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