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A sample of 60 students from a large university is taken. The average age in the sample was 22 years with a standard deviation of 6 years. Construct a 95% confidence interval for the average age of the population.
Choose any medical scientific study who applied a Bayer Theorem and write down the article information (title, author, location, and date) of the article
As a bonus, students are encouraged to research new and interesting articles/ websites/ interactive tools, etc. which are pertinent to the class material.
What is the idea of "least squares"? What is the connection between "least squares" and linear regression?
Suppose that 50% of all people are opposed, evaluate probability of getting at least 89% opposed in survey of 1012 randomly selected people.
Determine odds student gets more than 14 questions correct? Determine the odds student gets exactly 12 questions correct?
A physician wanted to estimate the mean length of time µ that a patient had to wait to see him after arriving at the office.
Conduct post hoc comparisons with the LSD method. Which groups differ significantly at α = 0.05?
Choose any Statistic business problem and develop a problem statement which can be addressed with survey research. Prepare a 10-13 question survey to collect primary data regarding your selected problem statement.
Find the probability of an untrained dog performing as well as Maggie. Is it unusual for an untrained dog to do as well as Maggie?
Define validity and reliability. How can we insure our data is both reliable and valid? Which of these two do you think is the more important?
The firm examined 35 randomly chosen fax transmissions during the next year, yielding a sample mean of 14.44 with a standard deviation of 4.45 pages. (a) At the .01 level of significance, is the true mean greater than 10? (b) Use Excel to find the..
Use this information to find the upper and lower limits of the first class if you wish to construct a frequency distribution with 10 classes.
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