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ISyE 2028A, Summer 2010
Friday July 2
Quiz 6 Solutions
1.
Which of the following statement is not correct?
[2 points]
A.
It is possible that the null hypothesis may be rejected when it is true.
B.
It is impossible that the null hypothesis may be rejected when it is true.
C.
It is possible that the null hypothesis may not be rejected when it is false.
ANSWER:
B
2.
If
θ
denotes the parameter of interest, and the simplified null hypothesis has the form
:
, where
oo
o
H
θθ
=
is a specified number called the “null value” of the parameter, then the
alternative hypothesis will be
[2 points]
A.
:
ao
H
>
(so the implicit null hypothesis is
)
o
≤
B.
:
H
<
(so the implicit null hypothesis is
)
o
≥
C.
:
H
≠
D.
The alternative hypothesis will look like any of the above three assertions.
ANSWER:
D
3.
Which of the following statement is not true?
[2 points]
A.
A test statistic is a function of the sample data on which the decision to reject or not reject
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 Summer '07
 SHIM

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