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A pharmaceutical company wants to answer the question of whether it takes longer than 45 seconds for a drug in pill form to dissolve in the gastric juices of the stomach. A sample was taken of patients who were given the drug in pill? form, and the times for the pills to be dissolved were measured. State the hypotheses to test this question.
a. How long will it take for Bill to recoup his initial investment in project? A? b. How long will it take for Bill to recoup his initial investment in project
Analysis of variance (ANOVA) is used to determine if there is a difference between the means of different populations. This is an example from a student in Prescott Arizona.
Scores from a statistics exam are reported as deviation (difference from the mean) scores. Which of the following deviation scores indicates that the student has a higher position in the class distribution?
Construct an example of a distribution for which the mean exists but the variance does not exist.
Explain what scale of measurement is used to measure academic program in this example. How do you know - Identify the p value using SPSS
Suppose the average number of returns processed by employees of a tax preparation service during tax season is 12 per day with a standard deviation
What value is business research and hypothesis testing to a company? How long should it take a company to complete a scientific research study?
Describe a study you might design that could use the Chi Square statistic. What are the variables? What are the null and alternative hypotheses? Why would the Chi Square test be appropriate for this design?
What is the probablitity that, for a sample of 40 college games to be played next week the mean number of holding penalties will be 2.1 penalties per game or less.
High levels of cockpit noise in an aircraft can damage the hearing of pilots who are exposed to this hazard for many hours
1. of 900 customers surveyed 414 said they were very enthusiastic about a new home deacutecor scheme. construct a 99
a new phone answering system installed by the ohio power company is capable of handling 5 calls every ten minutes.
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