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What is the answer to the following unsorted data shows the number of traffic tickets given each day by Deputy Fife over the last eleven days. Compute the descriptive statistics for the following data (10,20,2,8,0,23,15,5,10,12,15).
Four different assembly processes were under consideration. Sixteen workers were randomly assigned to the four processes, eight per process. The number of correctly assembled units in an eight-hour work shift was recorded:
For a sample of 36 students in a class the mean score in Mathematics is 72 with a standard deviation of 7. Find the 95% confidence interval for the mean score.
Two semiconductor factories are being compared to see if there is a difference in the average defect rates of the chips they produce. In the first factory, 250 chips are sampled. In the second factory, 350 chips are sampled. The proportions of def..
Critically the difference between Paramaeter and Statistics and Critically discuss the concept of operationalize? What are focus groups
British scientists have developed a 15 minute brain scan they hope could be used to detect autism in children. Autism and related disorders affect up to 7 out of every 1000 individuals.
Assume that Leo advertises "If it takes more than 30 minutes to get your pizza, you get it free". What percentage of his take-out pizzas will have to give away free?
Her results (in hours until turning a particular shade of brown) are in the table below. At ∞= .01, did she see a difference between the two treatments?
Calculate the correlation and the regression equation and plot the data in the space provided.
Estimate the probability the store will gross over $850 a) Fewer than 5 out of 10 business days.
Ten members of a fraternity take a statistics course. Here are their scores on the first exam in the course:
Use Bayes' rule to find conditional probability which Julianne is carrier, given that she and Jason have one child who doesn't have CF.
Suppose that students in a particular school are all very competent. For each individual, the probability that they will pass the proficiency exam (independent of thier classmates) is 0.99
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