In Team-Teaching, Two or More Teachers Lead a Class $r = - 0.32$

question 96

Essay

In team-teaching, two or more teachers lead a class. A researcher tested the use of team-teaching in mathematics education. Two of the variables measured on each teacher in a sample of 171 mathematics teachers were years of teaching experience x and reported success rate y (measured as a percentage) of team-teaching mathematics classes.
The correlation coefficient for the sample data was reported as $r = - 0.32$ . Interpret this result.

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Definitions:

Population Means

The average value of a numeric data set, pertaining to the entire population being studied.

Confidence Interval Estimate

A range of values, derived from the sample data, that is likely to contain the value of an unknown population parameter, with a specified level of confidence.

Democrats

A member or supporter of the Democratic Party, one of the two major contemporary political parties in the United States, traditionally associated with progressive and liberal policies.

Republicans

A member or supporter of the Republican Party, one of the two major political parties in the United States, traditionally advocating for conservative policies.