Simplify the Compound Fractional Expression $\frac { x ^ { - 1 } + y ^ { - 1 } } { x ^ { - 2 } + y ^ { - 1 } }$

question 57

Essay

Simplify the compound fractional expression. $\frac { x ^ { - 1 } + y ^ { - 1 } } { x ^ { - 2 } + y ^ { - 1 } }$

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Definitions:

Test Statistic

In hypothesis testing, the test statistic is a standardized value derived from sample data, used to make a decision about the null hypothesis.

SPSS Output

The results generated by the Statistical Package for the Social Sciences, including statistical tests, tables, and graphs, after data analysis.

Test Statistic

A calculated value from sample data that is used in statistical testing to decide whether to reject the null hypothesis within the framework of a hypothesis test.

P-value

A statistical measure that indicates the probability of observing the test results, or something more extreme, if the null hypothesis is true.