You Can Plug a Mobile Device into A(n) _______________ (Sometimes

question 23

Short Answer

You can plug a mobile device into a(n) _______________ (sometimes called an external battery, power pack, or portable charger) to recharge when there's no available outlet.

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Definitions:

Test Statistic

A statistic calculated from sample data and used in a hypothesis test to determine whether to reject the null hypothesis.

Alternative Hypothesis

The hypothesis that proposes there is a significant difference between two variables or that a parameter of the population has a value that contradicts the null hypothesis.

Simple Linear Regression

A statistical method for modeling the relationship between a dependent variable and one independent variable.

F Statistic

A ratio of variances that is used primarily in ANOVA to assess whether the variances between groups are significantly different.