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Hours of Playing Video Games Suppose that the following data provide the hours of playing video games per week for a sample of 15 high school students in Roanoke,Virginia: 5,11,25,19,18,20,27,13,8,10,15,19,18,9,and 12.
-{Hours of Playing Video Games Narrative} Calculate and interpret the interquartile range.
Level Of Significance
The threshold used in statistical tests to determine if a result is statistically significant, indicating the probability of the result occurring by chance.
Null Hypothesis
A statistical hypothesis that assumes no significant difference or effect exists between certain aspects of a population or parameters.
Null Hypothesis
A default hypothesis that there is no significant difference or effect, used as a starting point for statistical significance testing.
Standardized Test Statistic
A test statistic that has been transformed to have no units or scaling, facilitating comparison across different datasets or studies.
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