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A survey organization wants to take an SRS in order to estimate the proportion of pople who have seen a certain television program. To keep the costs down, they will take as small a sample as possible. But their client will only tolerate chance errors (deviations from the expected value) of 1 percentage point or thereabouts. Should they use a sample of size 100, or 2,500 or 10,000? You may assume that the population is very large and also that the population proportion will be in the range of 20% to 40%.
Multiple comparison procedures are going to be done using the Bonferroni method with = 0.05. The value of t** is 2.4667. Which of the following is the appropriate conclusion from carrying out these multiple comparisons?
Evaluate z statistic for the Wilcoxon rank sum test, standard deviation for the Wilcoxon rank sum test and P-value for the Wilcoxon rank sum test
Determine if you would reject or fail to reject the null hypothesis in each of the following cases: (a) z=1.06 (b) z=2.06 (c) A z score beyond which 7% of the data fall in each tail.
the number of viewers of american idol has a mean of 29 million with a standard deviation of 10 million. assume this
three people who do not know each other are standing in line at a movie theatre waiting for the box office to open.
Compute the correlation among the variables. Describe perfect correlation also negative correlation. Utilize the following data to answer questions related.
Give an example in health care management where you would use probability statistics to determine an outcome such as providing raises based on certain financial goals being met?
are your finances buying habits medical records and phone calls really private? a real concern for many adults is that
Tthe mean amount of paint per 1-gallon can is 1.00 gallons. Use a significance level of 0.05. Is (are) the critical region(s) for this test in the left tail, right tail, or both tails?
A SRS of size 16 drawn from a Normally Distributed population has a mean of 30 and a standard deviation, s, of 5. With 95% confidence, what is the interval that captures the true mean of the population?
q1. suppose that we will randomly select a sample of 64 measurements from a population having a mean equal to 20 and a
if y is a random variable that has an f distributions with v1 numerator and v2 denominator degrees of freedom show
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