What Will Make It Difficult for an Astronaut to Walk

question 14

Short Answer

What will make it difficult for an astronaut to walk for exercise in a weightless environment?

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Definitions:

Hypothesis Testing

A statistical method used to decide whether a hypothesis about a parameter in a population is supported by the data gathered from a sample.

Test Statistic

A numerical value employed in statistical hypothesis testing for deciding if the null hypothesis should be discarded.

Confidence Interval

A range of values, determined from sample statistics, that is believed to contain the true population parameter with a certain probability.

Critical Value

A point on the scale of the test statistic beyond which we reject the null hypothesis; it marks the threshold for statistical significance.