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Question 1: There is a new drug that is used to treat leukemia. The following data represents the remission time in weeks for a random sample of 21 patients using the drug.
Let X be a random variable representing the remission time in weeks for all patients using the new drug. Assume that the distribution of x is normal. A previously used drug treatment has a mean remission time of 12.5 weeks. Does the data indicate that the mean remission time using the new drug is different from 12.5 week at a level of significance of 0.01?
State the Null Hypothesis
State the Alternatice Hypothesis
State the Level of significance
State the Test Statistic
Perform Calculations
Statistical Conclusion
Experimental Conclusion
Question 2: We wish to test the claim that the mean body mass index (BMI) of men is equal to the mean BMI of women. Use the data to the right to test this claim.
The null hypothesis that there is no relationship between the type of music a person listens to and his crime rate (p
a study was conducted to estimate hospital costs for accident victims who wore seat belts. twenty randomly selected
Suppose the number of days it takes you to get a flu shot
What is the standard error of this difference between the two means?
The probability that a given bird house will be returned for a refund is 0.04. Suppose that 30 bird houses are sold on a particular day. Find the probability that exactly 2 of those bird houses will be returned for a refund.
Specialization topic is employee management
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The company wants to perform a hypothesis testing. Which of the following are the right hypotheses and what is the α-risk associated with the x' chart?
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