Question

match the following statements
a statement of
o
difference\ that contradicts
the research hypothesis and
is always expressed in terms
of population parameters is
called the
a ______ test is conducted
when we have no
theoretical reason for
specifying a direction in the
research hypothesis.
when a one - tailed test
specifies that the
population mean is greater
than some specified value,
we call it a ______ test.

1. when conducting a

statistical hypothesis test,
what is it that we are
actually doing?

Explanation:

• For the first statement, the null hypothesis is a statement of "no difference" expressed in population parameters.
• When no direction is specified in the research hypothesis, a two - tailed test is conducted.
• If a one - tailed test specifies the population mean is greater than a value, it's a right - tailed test.
• In a statistical hypothesis test, we are falsifying the null hypothesis.

Answer:

1. null hypothesis
2. two - tailed
3. right - tailed
4. Falsifying the null