Unit 10 Test_ APSTATS142-019 AP Statistics (On Demand) Semester 2
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5/13/24, 9:52 PM
Unit 10 Test: APSTATS142-019 AP Statistics (On Demand) Semester 2
https://ucscout.instructure.com/courses/21755/quizzes/429837?module_item_id=2189237
2/7
Question 2
4 / 4 pts
I only
II only
III only
II and III
None of these gives the complete set of responses
Question 3
4 / 4 pts
The two sided test rejects the null hypothesis at the 5% level
The two sided test rejects the null hypothesis at the 1% level
The one sided test (using the same data) rejects the null hypothesis at the 5% level
The one sided test (using the same data) rejects the null hypothesis at the 1% level
None of these statements are true
Question 4
4 / 4 pts
A only
B only
C only
A and B only
A, B, and C
Which of the following are true statements?
I. A t-test is used when the population standard deviation is known
II. When the P-value is low, there is strong evidence against the null hypothesis
III. Hypotheses are always stated in terms of sample statistics
If the P-value for a two-sided hypothesis test is 0.075, which of the following is true?
Which of the following hypothesis test(s) require that independent samples be taken.
A. Test of two population means
B. Test of two population proportions
C. Test of paired data
5/13/24, 9:52 PM
Unit 10 Test: APSTATS142-019 AP Statistics (On Demand) Semester 2
https://ucscout.instructure.com/courses/21755/quizzes/429837?module_item_id=2189237
3/7
Question 5
4 / 4 pts
Question 6
4 / 4 pts
Normal
Geometric
Suppose an initial poll of 800 registered voters in California shows 460 support Proposition 999, while a
later second poll of 1000 registered voters shows 520 support the proposition. Assume samples are
independent. As a hired statistician for “Pro-Prop 999” you want to find out if there is evidence of a drop
in support from the first poll to the second poll at the 10% significance level.
What is a correct pair of hypotheses for this test?
(Let 1 represent the initial poll and let 2 represent the second poll)
Suppose an initial poll of 800 registered voters in California shows 460 support Proposition 999, while a
later second poll of 1000 registered voters shows 520 support the proposition. Assume samples are
independent. As a hired statistician for “Pro-Prop 999” you want to find out if there is evidence of a drop
in support from the first poll to the second poll at the 10% significance level.
What is the distribution assumed for the test?
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