Question

T or F

The null Hypothesis is rejected, if the p-value is larger than significance level.

Answer #1

State T OR F?
A)If a null hypothesis is rejected in favor of the alternative
at the 1% level, then using the same data, it must be rejected in
favor of the alternative at the 5% level.
B)If a null hypothesis is rejected against an alternative at the
5% level and at the 1% level, then you should report that the null
was rejected at the 1% significance level. Reporting that it was
also rejected at the 5% is redundant...

Suppose that in a certain hypothesis test the null hypothesis is
rejected at the .10 level; it is also rejected at the .05 level;
however it cannot be rejected at the .01 level. The most accurate
statement that can be made about the p-value for this test is
that:
p-value = 0.01.
p-value = 0.10.
0.01 < p-value < 0.05.
0.05 < p-value < 0.10.
Complete the sentence: If we do not reject the null hypothesis,
we conclude that _____....

32. If a one-sided null hypothesis is rejected at a given
significance level, then the corresponding two-sided null
hypothesis (i.e., the same sample size, the same standard deviation
and the same mean) will be _______ rejected at the same
significance level
A. never
B. always
C. sometimes

In a two-tailed hypothesis test of the mean using a 0.05 level
of significance, researchers calculated a p-value of 0.03. What
conclusion can be drawn? The alternative hypothesis should be
rejected because the p-value is so small. The null hypothesis is
true because the p-value is less than the level of significance.
The alternative hypothesis is 3% likely to be true. The null
hypothesis should be rejected because the p-value is less than the
level of significance.
1.The alternative hypothesis...

In a test of statistical significance, what does the
p-value tell us?
A. if the null hypythesis is true
B. if the alternative hypothesis is true
C. the largest level of significance at which the null hypothesis
can be rejected
D. the smallest level of significance at which the null hypothesis
can be rejected.
Please explain exactly what the p-value is as I'm
having trouble understanding it. thanks

If a two-sided null hypothesis is not rejected for a single mean
at a given significance level, the corresponding one-sided null
hypothesis (i.e., the same sample size, the same standard deviation
and the same mean) will _________ be rejected at the same
significance level.
A. Always
B. Sometimes
C. Never

In a hypothesis testing problem, the decision as to whether the
null hypothesis should be rejected or not can be made by comparing
the level of significance and the observed level of significance.
The null hypothesis should be rejected if:
A) the level of significance is bigger than the (nonzero)
observed level of significance
B) the level of significance is equal to one half of the
(nonzero) observed level of significance
C) the level of significance is smaller than the...

1. In testing a null hypothesis H0 versus an alternative Ha, H0
is ALWAYS rejected if
A. at least one sample observation falls in the non-rejection
region.
B. the test statistic value is less than the critical value.
C. p-value ≥ α where α is the level of significance. 1
D. p-value < α where α is the level of significance.
2. In testing a null hypothesis H0 : µ = 0 vs H0 : µ > 0,
suppose Z...

Using either the critical value rule or the p-value
rule, if a one-sided null hypothesis for a single mean cannot be
rejected at a given significance level, then the corresponding
two-sided null hypothesis (i.e., the same sample size, the same
standard deviation, and the same mean) will ______________ be
rejected at the same significance level.
always
sometimes
never

Using the critical value rule, if a two-sided null hypothesis
cannot be rejected for a single mean at a given significance level,
then the corresponding one-sided null hypothesis (i.e., the same
sample size, the same standard deviation, and the same mean) will
______________ be rejected at the same significance level.
a. never
b. sometimes
c. always

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