Final ExamStarted: Oct 31 at 2:34am
Quiz Instructions
Question 16
Which of the following are true statements?
1. The alternative hypothesis is stated in terms of the sample statistic
II. A large P-value indicated evidence against the null hypothesis
III. The P-value is the probability of getting a statistic like yours or more extreme if the null hypothesis is true
O None of these choices represent a correct set of responses
O Exactly two of the statements are true
OI only
O III only
O II only
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Question 18
1 pts
There is a thought that police officers give more traffic tickets towards the end of the month. In a random sample of 240 traffic
tickets issued in the month of February, the number of tickets for each week of the month was:
Week
1
2
3
4
# of tickets
52
45
77
66
What is the conclusion for the hypotheses below:
Weeks 3 and 4 have twice as many tickets as Weeks 1 and 2
Weeks 3 and 4 do not have twice as many tickets as Weeks 1 and 2
O There is not sufficient evidence at the 10% level to reject
There is sufficient evidence at the 5% but not the 10% level to reject
O There is sufficient evidence at the 10% but not the 5% level to reject
There is not sufficient information to answer the question
O There is sufficient evidence at both the 10% and 5% level to reject
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Final Exam
tarted: Oct 31 at 2:34am
Quiz Instructions
Question 17
1 pts
A sample of 15 test scores were used to conduct a hypothesis test. The claim is that the average score on the test is more than
100. The standard deviation of the sample test scores is 15 points. Which of the following is the correct distribution to use for
this hypothesis test?
O Normal
○ Binomial
O Uniform
O Exponential
O t-distribution
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Started: Oct 31 at 2:34am
Quiz Instructions
Question 19
What is the power of a hypothesis test?
O Probability that a Type 1 error does not occur
O Probability that a Type 1 error occurs
O Probability that a Type 2 error does not occur
Probability that a Type 1 or Type 2 error occurs
O Probability that a Type 2 error occurs
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O Ho=15.3; Ha 15.3
Ο Η: μ > 15.3; Η: μ Σ 15.3
O Ho p = 15.3; Ha: p> 15.3
O Ho = 15.3; Ha: > 15.3
O Ho=15.3; Ha:
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