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A major automotive paint manufacturer has a "panel farm" on the coast of Florida. The purpose of this "farm" is to expose paints to different environ mental conditions (sun, rain, salt, and sand) to test durability. A set of panels from three test formulations was sent to the farm and left out in the elements for 6 months. After that time they were rated on their appearance using a scale of 1-10 ( 1 being good).
The data is in exposure .txt.
(a) Calculate summary statistics for each formulation.
(b) Graph the data.
(c) Summarize your findings.
Suppose that a claim is made that the average billionaire is 60 years old or younger.The following is a random sample of billionaires. Conduct the test using the 0.05 level of significance.
What is the probability of getting- Four or more on a single toss of a fair die and Ace or king on a single pick from a well-shu?ed standard deck of cards?
Identify external competitive forces in relationship to healthcare organizations. Why is it important to know what external competitive forces are or who they are? Relate external competitive forces to a strategic plan.
In a survey about soft drinks it was found that 5% of the respondents like diet soft drinks. 12% of the respondents like the brand Coke. Of the diet soda drinkers, 40% like Coke. What is the probability that a respondent did like diet drinks or di..
a researcher comuted the f ratio for a four-group experiement. the computed f is 4.86. the degrees of freedom are 3 for
Urn I contains three red chips and one white chip. Urn II contains two red chips and two white chips. One chip is drawn from each urn and transferred to the other urn. Then a chip is drawn from the first urn. What is the probability that the chip ult..
Is there evidence that the change was successful in reducing the wait time? (use 0.05 level of significance)
Based on this confidence interval, can we be 95% confident that the mean yield using catalyst XA-100 exceeds 750 pounds per hour? Why?
according to the mampm company each package of plain mampms should contain 24 blue 14 brown 16 green 20 orange 13 red
What is the correlation between student anxiety scores and number of study hours? Select alpha and interpret your findings. Make sure to note whether it is significant or not and what the effect size is.
The standard screening test for Down's syndrome is based on a combination of maternal age and the level of serum alpha fetoprotein. Using the test 80% of Down's syndrome cases can be identified while 5% of normals are detected as positives.
Out of the 109 males, 42% preferred Pepsi and out of the 53 females, 40% preferred Pepsi. Pepsi wanted to test to determine if the males preferred Pepsi more than females.
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