AP Statistics Chapter 9
Quiz
•
Mathematics
•
12th Grade
•
Practice Problem
•
Hard
Anthony Clark
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15 questions
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1.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
E
2.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
A
B
C
D
E
3.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Identify the correct null hypothesis:
Is the proportion of babies born male different from 50%? In a sample of 200 babies, 96 were male. Test the claim using a level of significance of 1%.
H0: p = 0.50
H0: µ = 100
H0: p = 0.48
H0: µ = 96
4.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
Which type of error occurs if we reject a true null hypothesis?
Type I Error
Type II Error
Sampling Error
Non-sampling Error
5.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
If a test of hypothesis has a significance level of 0.05, which p-value would lead to the rejection of the null hypothesis?
0.07
0.05
0.03
0.10
6.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In a left-tailed test, the test statistic is -2.5 and the critical value is -1.96. What is the correct decision regarding the null hypothesis?
Fail to reject the null hypothesis.
Reject the null hypothesis.
Accept the null hypothesis.
There is not enough information to make a decision.
7.
MULTIPLE CHOICE QUESTION
1 min • 1 pt
In testing hypotheses, which of the following would be strong evidence against the null hypothesis?
using a small level of significance
using a large level of significance
obtaining data with a small p-value
obtaining data with a low test statistic
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