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1. Define a population total. Give an example of a population total that will interest you in your career when you graduate from college.
2. Explain why the finite population correction 1(N - n)/N is unnecessary when the population is at least 20 times as large as the sample. Give an example using numbers.
Suppose than an instructor want wants to investigate whether the font used on an exam affects student performance as measured by the final exam score. She uses four different fonts (time , courier, helvetica, comic sans ) and randomly assigns h..
The franchise has 6 hours of labor available and has contracted to get 30 lbs. of sausage and 30 lbs. of ham. The manager also plans on purchasing 16 lbs. of flour. Profit on a sausage biscuit is $.60 and $.50 on a ham biscuit. Create a model to help..
Use a graphical procedure and manual calculation to determine the optimal solution to the following linear program for decision making purposes. Excel Linear Programing has been used to generate the following graph on the objective and constraints (p..
Perform a Hotelling T2 Two Sample test to determine if a certain drug has any effect in reducing flue-like symptoms. Use alpha = 0.01.
In a survey to determine child care costs for working parents, the local Chamber of Commerce randomly samples licensed child care centers in four regions of the metropolitan area. The purpose of the survey is to see whether and how average child c..
The College Board finds that the distribution of students
Researchers want to know whether, the variation in the population of trap-spacing measurements, is larger than 10 m2. They will conduct a test of hypothesis using α = 0.05. a.) Note that s2 > 10. Consequently, a fisherman wants to reject the null hyp..
According to the most recent davenport student profile
Compute the p-value for the hypothesis test you set up in part a. (2) Use the p-value to carry out the test by setting a equal to .10, .05, and .001.
This is used when a conservative approach is desired and an expected cell frequency is less than 5 in a 2X2 table. Fisher's exact test, Cramer's V, Yates' correction or Regression
In a simple random sample of 36 families in a certain country, you find that sample mean income to be $9,500 with a sample standard deviation of $2,500. Run a hypothesis test (α=.05) to test whether the population's mean exceeds $9,000. What is the..
Identify the sampling technique being used. Every 20th patient that comes into the emergency room is given a satisfaction survey upon their discharge.
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