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The following data show the time series of the most recent quarterly capital expenditures (in billions of dollars) for the 1000 largest manufacturing firms: 24, 25, 23, 24, 22, 26, 28, 31, 29, 32, 37, and 42.
a. Develop a linear trend equation for the time series.
b. Graph the time series and the linear trend equation.
c. What appears to be happening to capital expenditures? What is the forecast one year, or four quarters, into the future?
The researcher expects a 12-point treatment effect and plans to use a two-tailed hypothesis test with a = 0.05.
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The following data represent the number of weed-eaters sold per month at a local garden shop and their prices
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How many boxes must the processor sample to be 95 percent confident that the sample mean does not differ from the population mean by more than 0.2 pounds?
Share 1 real-world binomial distribution situation and 1 real-world Poisson distribution situation. Be sure to explain why each example is defined as binomial or Poisson.
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