Q4M5
Authored by Neil Christian Medina
Mathematics
11th Grade
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14 questions
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1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the critical value of z for a right-tailed test with α=0.01?
1.645
2.33
1.96
2.576
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In hypothesis testing, what is the term for the value that separates the rejection region from the acceptance region?
Parameter
Critical value
Significance level
Hypothesis
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
For a two-tailed test with n=19 and α=0.05, what is the critical value?
±2.092
±2.878
±2.145
±2.101
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a two-tailed test with a sample size of 40, the null hypothesis will be rejected at 5% level of significance if the test statistic is:
z≤−2.33 or z≥3.33
z≤−1.96 or z≥1.96
z≤−1.645 or z≥1.645
z≤−1.28 or z≥1.28
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
If the alpha level is increased from 0.01 to 0.05, what happens to the boundaries for the critical region?
They move closer to the center
They remain the same
They move farther away from the center
They become undefined
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
In a right-tailed test, the rejection region lies in which part of the normal distribution?
Left tail
Center
Right tail
Both tails
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the rejection region for a left-tailed test with α=0.01?
z≤−1.645
z≥1.645
z≥−2.576
z≤−2.576
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