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A researcher is interested in whether a new teaching method influences the public speaking skills of students in an introductory to communications class. The researcher
A researcher is interested in whether a new teaching method influences the public speaking skills of students in an introductory to communications class. The researcher knows that public speaking skills in the class are normally distributed with = 10 and = 2. Which is the null hypothesis for this research study?
a.
teaching method = 10
b.
teaching method = 2
c.
teaching method 10
d.
teaching method 2
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