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Differentiate between the Kruskal-Wallis test and the one-way analysis of variance in terms of their assumptions and the circumstances under which each should be applied.
a fair 20-sided die is rolled 120 times and the value of chi-square is computed using expected counts of 6 for each
You may use the manual method of calculation, or show how MegaStat (or other software) is used to analyze the data. Be sure to discuss the interpretation of results.
probability using pareto chart.1. use the pareto chart which shows the results of a survey in which 500 adults were
Find the probability of getting at least 127 boys among 152 babies. Does the result suggest that the YSORT method is effective? Why or why not?
The ages of cars owned by all employees of a large company have a bell shaped distribution with a mean of 8 years and a standard deviation of 2 years. Using the empirical rule, find the approx. percentage of cars (owned by those employees) that are b..
a lawyer researched the average number of years served by 45 different justices on the supreme court. the average
Choose an American driver at random and let the random variable X be the number of speeding tickets the driver has received in the last two years. The discrete probability distribution of X is shown.
Card holders should be sampled to meet the original requirements of the sample. Then explain the trade-offs that will occur when you lower the sample to $10,000 to meet their budget.
The mean SAT verbal score is 412, with a standard deviation of 90. Use the Empirical Rule to determine what percent of the scores lie between 412 and 592.
the cranston hardware company is interested in estimating the difference in the mean purchase for men customers versus
Find out a 95 percent confidence interval for population mean.
the estimate of the population proportions is to be within plus or minus .10 with a 95 percent level of confidence. the
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