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The average Monthly rent for one bedroom apartments in Chattanooga has been $700. Because of the downturn in the real estate market, it is believed that there has been a decrease in the average rental. State the null and alternative hypothesis
1. For a population with m = 50 and a standard deviation of s = 10,
Compute the single-sample z-test to see if caffeine reduces dreamtime. Test the null hypothesis at the .05 level of significance.
A person estimates that his commute to work will most likely take 50 minutes. However, it could talk as long as 1 hour and 35 minutes worst case, or as little as 35 minutes best case. What is the approximate standard deviation based on the ab..
Determine the stream function and plot the streamlines and Discretise the expression for the second derivative using the finite difference approach
write a report on simple data analysis and comparison.explain briefly how simple data analysis methods you are to use
Calculate the mean yearly value using the average gas prices by month found in the Final Project Data Set. What is the slope of the linear regression line and what is the Y-intercept of the linear regression line
Davids ipod has about 10000 songs.the distribution of the play times for these songs is heavily skewed to the right with mean of 225 seconds and a standard deviation of 60 seconds. Suppose we choose an srs of 10 songs from this population and ..
What is the decision rule?
Give the 95% confidence interval.
A more general exponential reliability model may be defined by R(t)=a^(-bt) where a>1, b>0 and a and b are parameters to be determined. Find the hazard rate function, and show how this model is equivalent to R(t)=e^-(lambda*t).
Assuming that the data constitute independent random samples from normal populations with equal variances, construct a 99% confidence interval for the difference between the true average heat-producing capacities of coal from the two mines.
Test the hypothesis that there is not relationship between the proneness to use excessive force score and the force score for officers trained at Academy A.
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