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In 2006, Merck released a vaccine named Gardasil for HPV - the most common cause of cervical cancer among young women. The company conducted four placebo controlled double blind clinical studies of women aged 16 to 26. The results were -
(a): Give a 95% confidence interval for the differences in the proportion of young women who develop cervical cancer with and without the vaccine.
Lower confidence level:_____________
Upper confidence level:_____________
(b): Give a 95% confidence interval for the differences in the proportion of young women who develop genital warts with and without the vaccine.
Note: your answers should have at least three significant figures.
assimilation and identitythis assignment grants you the opportunity to enter into the ongoing debate regarding the
Compute the test statistic. Using = 0.05, perform the test using either the critical value approach or the p-value approach. What is your conclusion?
general instructionsuse the spss data file produced from the national child development study ncds to answer the
The probability that home sales will increase in the next 6 months is 0.25. The probability that the interest rates on loans will go up in the same period is estimated to be 0.74.
a research assistant is asked to draw two independent normally distributed samples. the first sample x has a 10
the makers of mini-oats cereal have an automated packaging machine that can be set at any targeted fill level between
For a sample with standard deviation of 10, a score of X = 44 corresponds to z-score of 0.50. Based on this info, determine the sample mean?
Compute the mean, median, mode and standard deviation for the following discrete probability distribution.
Explain how the Central Limit Theorem can help you convince your boss that while you can't get rid of sampling error the results from your statistical work (that is based on sampling) can still be useful.
question 1 i. we are conducting a two tailed hypothesis test at a 1 significance level to test that the mean of a
What is the probability there will be between 10 and 14 calls inclusive arriving at the company in the next 15 minutes?
One sample has a variance of s2=6 and a second sample has a variance of s2=8. If the two samples are the same size (n1=n2), then what is the pooled variance for the two samples?
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