2. A clinical trial conducted by a pharmaceutical company focused on the side effect of a...
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2. A clinical trial conducted by a pharmaceutical company focused on the side effect of a new drug. There are 100 patients enrolled in this trial. They were asked to complete a survey about whether they had a side effect 6 times during the trail. It is reasonable to assume that the number of side effects for each patient is a random sample. The following table is the collected data. Number of side effects Number of patients 81 9. 2 3 3 4 6. 0. For instance, there are 81 patients who did not have any side effect during the trail. Suppose random variable X is the number of side effects during the trial. What is its sample mean?_(6 points) (A) 14.28 (B) 4.76 (C) 0.39 (D) 12.7 2. A clinical trial conducted by a pharmaceutical company focused on the side effect of a new drug. There are 100 patients enrolled in this trial. They were asked to complete a survey about whether they had a side effect 6 times during the trail. It is reasonable to assume that the number of side effects for each patient is a random sample. The following table is the collected data. Number of side effects Number of patients 81 9. 2 3 3 4 6. 0. For instance, there are 81 patients who did not have any side effect during the trail. Suppose random variable X is the number of side effects during the trial. What is its sample mean?_(6 points) (A) 14.28 (B) 4.76 (C) 0.39 (D) 12.7
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Statistics for the Life Sciences
ISBN: 978-0321989581
5th edition
Authors: Myra Samuels, Jeffrey Witmer, Andrew Schaffner
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