The NCAA is interested in estimating the difference in mean number of daily training hours for men and women athletes on college campuses.They want 95 percent confidence and will select a sample of 10 men and 10 women for the study.The sample results are: 
Based on these data,the point estimate is .30 hours.
Definitions:
Sample Medians
Statistical measures representing the middle value in a sample data set, dividing it into two halves when arranged in ascending or descending order.
Statistically Significant
A measure indicating that the likelihood of an observed effect occurring by chance is very low, thus suggesting a true effect.
Standard Deviations
A measure that quantifies the amount of variation or dispersion of a set of data values from the mean of the data.
Observed Difference
A noticeable variance between two or more groups or conditions in a study or observed phenomena.
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