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Professor Foley conducted a cola taste test. Each participant in the experiment first tasted 2 ounces of Coca-Cola, then 2 ounces of Pepsi, and finally 2 ounces of Sam's Choice Cola.
A rating of the cola's flavor was made after each taste.
What are the potential problems with this experimental design and the procedures used? Revise the design and procedures to address these problems. You may wish to consider several alternatives and think about the advantages and disadvantages of each.
The results of the simple linear regression are provided below.
f. Make all pairwise comparisons between the treatment effects: use either the Bonferroni or the Scheffe procedure with a 90 percent family confidence coefficient. whichever is more efficient. State your findings.
the addition of a new accelerator is claimed to decrease the drying time of latex paint by more than 4. several test
After gaining an understanding from the video on secondary data, provide at least two public websites where we can get data for research. Here's one example. We can pull the unemployment rate for each state from the bureau of labor statistics. www..
Faced with rising Fax costs, a firm issued a guideline that transmissions of 10 pages or more should be sent by 2-day mail instead. Exceptions are allowed, but they want the average to be 10 or below.
the table summarizes results from 978 pedestrian deaths that were caused by automobile
Suppose that the proportion of statistics students who are sophomores is 20%. We take a random sample of 10 statistics students. Use the binomial formula to find the probability that the sample contains exactly 2 sophomores.
If the production process is in control, the mean number of chips per cookie is 6.0 What is the probability that in any particular cookie being inspected. What is probability that in any partcular cookie being inspected, there are less than 4 choco..
Assume that the height of adult caucasian women have a mean of 63.6 inches and a standard deviation of 2.5 inches. If 100 women are randomly selected find the probability that they have a mean height greater that 63.0 inches.
Explain the chi-square test of homogeneity and show the formula for the test statistics for the test of homogeneity. Describe a sign and test and show the six steps of the test-of-hypothesis procedure.
a small stock brokerage firm wants to determine the average daily sales in dollars of stocks to their clients.a sample
How to determine the probability that a randomly selected player bats over 0.300? How to determine the probability that a team of 25 players will have a mean above 0.275?
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