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Compare the differences of Simple random sampling & Cluster sampling using specific examples, and show the pros and cons of each method. What are the pros & cons of systemic random sampling & stratified random sampling?
Find out the required probabilities utilizing Binomial distribution. According to Best buy, 2/3 citizens have iPods. In a randomly selected group of 3 iPod owners.
The manufacturer of a coffee dispensing machine claims the ounces per cup is normally distributed with population mean equal to 8 ounces and standard deviation equal to 0.9 ounces. If 50 cups of coffee were measured, what is the probability that.
Compute z values for each and comment on your findings.
Martin Motors has in stock three cars of the same make and model. The president would like to evaluate the gas consumption of the three cars (labeled car A, car B, and car C) using four different types of gasoline. For each trial, a gallon of gaso..
An important idea in data interpretation is choosing which graph to use under which circumstances. Describe the benefits of different graphs for different sets of data:
For a study that consists of personal interviews with participants (rather than mail or phone surveys), explain why simple random sampling might be less practical than some other sampling methods.
Using ANOVA, determine if there is a significant difference in the six year graduation rate by type.
At α = .05, is there a difference in variances? Illustrate all steps clearly, including illustration of the decision rule.
How many students should be surveyed if a 90% confidence interval is desired and the margin of error is to be only 3%?
Probability based on addition rule - Find the probability that a randomly chosen sold automobile from this sample is silver or an SUV?
Find out the probability that at least one of the CD's is defective?
According to table, which presents a MODI solution for a transportation problem, if that solution is used, which of the following is true.
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