The Null and Alternative Hypotheses
The Null and Alternative Hypotheses
The Null and Alternative Hypotheses
Alternative
Hypotheses
1 Hypothesis Testing
a statistical method of using
sample data to determine the
probability that a given
hypothesis about the population
is true.
Steps in Hypothesis Testing:
1 a.Formulate the null and alternative
hypotheses.
b.Determine the level of significance.
c.Calculate the test statistic and identify the
rejection region.
d.Make a decision.
e.Draw a conclusion.
2 Statistical Hypothesis
a statement about a population
parameter
Example:
3
the hypothesis that is assumed
to be true. It uses a relation
symbol with a statement of
equality, such as and , and is
denoted by .
Example:
4
the hypothesis that is contrary to
the null hypothesis. It uses a
relation symbol with no statement
of equality, such as and , and is
denoted by .
Example: