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Does the duration of an eruption have an effect on the length of time that elapses before the next eruption?
a) The histogram below shows the duration (in minutes) of those 222 eruptions. Describe this distribution.
b) Explain why it is not appropriate to find summary statistics for this distribution.
c) Let s classify the eruptions as long or short, depending upon whether or not they last at least 3 minutes. Describe what you see in the comparative boxplots.
bob nale is the owner of nales quick fill. bob would like to estimate the mean number of gallons of gasoline sold to
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The dimension is supposed to be 224 mm and the variance is unknown for the manufacturing process. Is there evidence that the mean dimension is not 221 mm? Assume the population is normally distributed. Use a = 0.05 and the critical value value met..
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you wish to conduct an anova one wayomnibus. in order to insure you have enough power to detect differences in your
Find the probability that the carbon monoxide concentration exceeds 9 ppm during a randomly selected one-hour period.
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