PUBH 6033 Quiz 6.docx

# PUBH 6033 Quiz 6.docx - Question 1 Which of the following...

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Question 1 Which of the following is not directly related to the sample size calculations in the case of one sample z testing? a. The set level of confidence b. The margin of error about your estimate c. The population standard deviation d. The upper bound of your confidence interval 0.7 points Question 2 Which of the following would correctly result in a type II error for the Ho that the average age of children with Hodgkin’s lymphoma is 13 years old and the Ha that the average age of children with Hodgkin’s lymphoma is not 13 years old based on the following resulting confidence interval? (13.2, 17.8 years) a. Reject the Ho based on the fact that the Ho value is not within the interval b. Fail to reject the Ho based on the fact that the Ho value lies within the interval c. Fail to reject the Ho based on the fact that the Ho value does not lie within the interval d. Reject the Ho based on the fact that the Ho value lies within the interval 0.7 points Question 3 Which of the following would incorrectly result in a type I error for the Ho that the average resting heart rate for individuals with pre-hypertension is 71 bpm based on the following confidence interval resulting from the investigation? (70.5, 79.5 beats per minute) a. Reject the Ho based on the fact that the Ho value lies within the interval b. Reject the Ho based on the fact that the Ho value does not lie within the interval c. Fail to reject the Ho based on the fact that the Ho value does not lie within the interval d. Fail to reject the Ho based on the fact that the Ho value lies within the interval

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0.68 points Question 4 Which of the following least describes the precision of an estimate? a. The size of the margin of error b. The point estimate itself c. The standard deviation d. The size of the confidence interval 0.66 points Question 5 Which of the following hypothetical examples would result in the least precise measurement?

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