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Explain the difference between the null hypothesis and the alternate hypothesis. How is the null hypothesis chosen (why is it null)? What is the importance of rejecting the null hypothesis, can we make a geneeral staement about the population based on the sample findings? Develope a idea you wish to toest. Provided a verbal staement which is a short descriptoion of your idea. Then write the null and alternat ehypotheses.
Privacy Are your finances, buying habits, medical records, and phone calls really private? A real concern for many adults is that computers and Internet are reducing privacy. A survey conducted by Peter D.
What are the four assumptions for the chi-square tests? What are the hypothesis when conducting the chi-square tests for goodness-of-fit?
AU Cellular believes their sales are more consistent than their rival Softbank Cellular. Below is the number lost calls a day over the last seven days. Do you agree with AU? Use the .01 significance level.
Determine the variance of X? (Illustrate your computation either in Table or in Equation form)
An automotive expert claims that the large number of self-serve gasoline stations has resulted in poor automobile maintenance, and that the average tire pressure is more than 4 pounds per square inch (psi) below its manufacturer's specification.
A consumer group conducts crash test of new model cars. to determine the severity of damage to 2006 mazda 6s resulting from 10-mph crash into a concrete wall, the research group tests six cars of this type and assesses the amount of damage. descri..
Use the trend equation to calculate the points for 2003 and 2005. Plot them on the graph and draw the regression line.
Based on this sample information, develop a 90 percent confidence interval for the population mean yearly premium.
The hypotheses tested by the one-way ANOVA F test - Evaluate the P-value of the ANOVA F test
Solve the equations using linear algebra
Two components of reliability 0.95 are in parallel and this subsystem is connected in series to a component with a reliability of 0.90. Calculate the overall reliability of this system.
Sketch the appropriate distribution, and locate the critical region for a = 0.05.
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