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1. Explain the chi-square test of homogeneity and show the formula for the test statistics for the test of homogeneity.
2. Describe a sign and test and show the six steps of the test-of-hypothesis procedure.
In checking the quality of the work, she notices that some slight blemishes occasionally are apparent. A sample of 20 pieces of work resulted in the following number of blemishes on each piece:
The publisher reports that 80% of college professors require or recommend that their students purchase some type of textbook package.
Discuss possible study designs. Which of the designs would we use to test our research hypothesis?
If a total of 5,450 packages are shipped for .$1,926, determine how many individual packages were shipped and how many groups of 15 were shipped.
Provide a description of one method for estimating the reliability and one method for substantiating the validity of a test.
Based on the scatter diagram, does there appear to be any relationship between the number of assemblers and production? Explain.
A clothing retailer wishes to investigate the relationship between order size (in dollars) and the level of satisfaction of the customer.
In a paragraph explain the differences between the Independent Samples and Paired Samples T-Test. When do you use each? Purpose a research question that could be addressed using each test
A business owner decides to use a binomial distribution to solve one of his problems. He knows there is a 60 percent probability that he will sell one of his Red Oak floors to any customer who comes into his shop and views the wood.
A package of seeds states that the probability of germination is 0.92. For a package containing 75 seeds, the mean and variance of the number of seeds germinating are:
Describe the Linear programming problem with constraints. Which among the following is not acceptable as a constraint in a linear programming problem?
History suggests that the average number of hurricanes formed during a year is 6.0 hurricanes. Find the probability of at most three hurricanes being formed during a randomly selected year.
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