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Create histograms for both frequencies, showing values on top of the bars, and the correct annotation on both axes. In particular, be sure that the x-axis is properly labelled.
Evaluate your histograms for any outliers in your data. Based on your evaluation of outliers, you may trim no more than 1% of the data contained in the data set. This must be done symmetrically (i.e., trimming no more than 0.5% off the top and 0.5% off the bottom).
Reproduce the histograms with the data points that remain after you have completed your trimming. Analyse the mean, median, and standard deviation of the trimmed data. What change did the trimming make in these measures?
All the rest of the calculations for this portion of the project should be completed with this trimmed data.
Which component of a time series is most likely to occur? Which component has a pattern that must be complete in a single year and repeat from year to year?
Reading highway signs is not always easy, especially if your vision is imperfect. Vision in general tends to deteriorate with age. Two researchers conducted a study to determine if the distance at which a standard highway sign could be recognized ..
The sample proportion of large gloves for each location is and . (Round your answers to 4 decimal places.)
Calculate the coefficient of skewness and coefficient of variation of minutes spent commuting. What do these statistics tell us?
Construct a 90% confidence interval for the population proportion p . Does your result agree with your conclusion in part (a)?
Where should the warranty limits be set so that only 10 percent of the HDTVs need repairs at the manufacturer's expense?
the maximum point total for the quarter was 200. The point totals for the 10 students are given in the stemplot below. For the density curve displayed below, which of the following is true?
Determine the probability that sample mean is between 7.5 and 8 minutes?
Which of the following models are appropriate to forecast a time series whose amplitude increases over time?
Use either Linear Programming module or Transportation module of Cd to minimize the shipping costs involved in move.
At 0.05 level of significance, is there evidence of noteworthy difference in variation in sales among different aisle locations?
Determine mean of distribution shown. Give the mean of following probability distribution?
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