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1. Sometimes newspapers sample opinions of the local population by printing a "ballot" and asking readers to mark it and mail it in. Evaluate this sampling technique.
2. Consider as a population the students at State U. whose names are listed alphabetically in the student directory. Are the following samples biased or random?a. Every fifth name on the list
b. Every member of the junior class
c. 150 names drawn from a box that contains all the names in the directory
d. One name chosen at random from the directory
e. A random sample from those taking the required English course.
Researcher is interested in testing whether there are differences in mean between population one and population two.
q1. describing data frequency distribution and graphic presentationsyou are the parts manager for a local dumb phone
An automatic drug delivery system is used in the regulation of critical care patients suffering from cardiac failure [24]. The goal is to maintain stable patient status within narrow bounds. Consider the use of a drug delivery system for the regul..
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Assume that standard deviation is $3,204 and that 36 four-year institutions are arbitarily selected. Determine the probability that sample mean cost for these 36 schools is less than $25,000.
Can you please help me develop a research question using gender and another categorical variable associated to adhd that could be address using the chi-square method?
Give a 95% confidence interval for the true regression slope. Is zero a plausible value for the true regression slope at the 95% level of confidence
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snowfalls occur randomly and independently over the course of winter. the average is one snowfall every 3 days.a what
a study found that the average time it took a person to find a new job was 3.5 months. if a sample of 30 job seekers
a binomial distribution has 50 trials n 50 with a probability of success of 0.50 ?0.50. we would like to find the
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