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To do so use the following commands. > j<-c(4.1, 3.2, 4.0, 5.1, 2.3, 2.9, 3.2, 3.9, 4.0, 4.2, 4.9, 4.8) > j2<-randtestoneway(j,c(4,4,4),5000) You should see something similar to the following printed out on your screen (the actual test statistic value should be exactly the same, but the pvalue will dier slightly because you are using randomly sampled arrangements not the same ones that I got). Run this same command several times to see how variable the reported pvalues are. How many possible treatment arrangements are there for this experiment?
A health care analyst would like to know that if the duration of a given eye surgical procedure has a normal distribution with a mean of 240 minutes and a standard deviation of 40 minutes
6% are too long and can be used after being cut, and 4% are too short and must be scrapped. What is the probability that a randomly selected bolt can be used?
Either no change to the Objective function or a raise in the value of the objective function depends on the constraint.
Other research examining the effects of preschool childcare has found that children who spent time in day care, especially high quality daycare, perform better on math and language tests than children who stay at home with their mothers
A survey taken in a restaurant shows the following number of cups of coffee consumed with each meal. Construct an ungrouped frequency distribution.
Assume a random sample of 16 gasoline stations is selected and their mean cost for regular gasoline is computed. What is the standard error of the mean in this experiment?
Using the 0.10 level of significance, is there evidence that the mean shopping time at the local supermarket is greater than the claimed value of 22 minutes?
The calculated chi-square test statistic and the table value for a 0.05 significance level are:
Find a point estimate of the population mean. Find the 95% confidence interval of the population mean. Assume the variable is normally distributed.
A company is creating 5 new divisions and 8 managers are eligible to be appointed head of a division. With 8 managers trying for 5 jobs, how could the five new heads be arranged?
Random sample of 40 November days (taken over many years)? Carry your intermediate computations to at least four decimal places. Round your answer to at least three decimal places.
Develop a pie chart to summarize these contributions. Develop a bar chart to summarize these contributions and why is it appropriate to construct a bar chart for these data instead of a histogram?
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