The table below shows ratings of 18 movies by two reviewers (on a 0 to 5 scale using half (increments). Research question: At α = .05, based on these data, is the rank correlation between reviewers significantly greater than zero (i.e., a right-tail test)?
Answer to relevant QuestionsAre gasoline prices a potential policy tool in controlling carbon emissions? The table below shows 2001 gasoline prices (dollars per liter) and carbon dioxide emissions per dollar of GDP. Research question: At α = .05, ...Bob and Tom are "paper investors." They each "buy" stocks they think will rise in value and "hold" them for a year. At the end of the year, they compare their stocks' appreciation (percent). (a) At α = .05, is there a ...List four rules for detecting abnormal (special cause) observations in a control chart. Create control limits for a p chart for a process with π = .02 and subgroup size n = 500. Is it safe to assume normality? Explain. Define three quality metrics that might be used to describe quality and performance in the following consumer products: (a) Your personal vehicle (e.g., car, SUV, truck, bicycle, motorcycle); (b) The printer on your ...
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