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1. Choose a variable and collect data for a least three different groups(samples). Compare the means of the three groups using the one-way ANOVA technique. Complete the following:
a. Write a brief statement of purpose of the study
b. Define the population
c. State how the sample was selected
d. What alpha value did you use?
e. State the hypotheses
f. What was F test value?
g. State the decision
h. Summarize the results.
Describe the meaning of alternatives, criteria and states of nature. How are they utilized in decision analysis?
Assume that waiting times are approximately normally distributed. Construct a 98% confidence interval for the population mean of waiting times.
Metal stamping machine is producing 10 defective parts per hour. Determine the probability that three or fewer defective parts will be output in a randomly chosen hour, by using the Poisson distribution?
It took a contractor 5000 hours to manufacture their first unit of an item. If the contractor expects to achieve a 94% unit learning curve, how many hours would be required to manufacture units 76-100?
Write down the name of 4 parts of the regression equation.
Find out 90% confidence interval for the population average µ of the percentage of hospitals providing at least some charity care.
A recent survey of frozen convenience meals found a correlation of r=0.768 between calories and fat content in the sampled meals.
Dividend is expected to grow 7% a year for next 3 years and then at 5% a year after that. Determine the expected dividend per share for each of the next five years?
Suppose the horses in a large stable have a mean weight of 1464 lbs, and a standard deviation of 111. What is the probability that the mean weight of the sample horses would differ from the population mean by less than 11 lbs if 34 horses are samp..
What is the probability that a particular driver had exactly two speeding violations?
Reynolds Electronics accepts a lot from a particular supplier if the defective components in the lot do not exceed 1%. Suppose a random sample of five items from a recent shipment is tested.
Assuming that students make their decisions independently, the number who accept has the B (1200, 0.75) distribution. If this number is less than 950, the college will admit students from its waiting list.
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