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It is decided to measure the resistance of sheets of a certain metal at temperatures X of 100K, 200K, 300K, 400K and 500K. The resistances Y are found to be 4.7, 7.4, 12.4, 16.5, and 19.8, respectively. If the regression of Y on X is assumed to be linear, state the normal equations for the parameters in the linear model, and solve.
What is your conclusion based on both the p-value and critical-value approaches and what is the p- value, and what is your conclusion?
State the null hypothesis and the alternate hypothesis. State the significance level. State the decision rule. Give the formula for the test statistic.
Determine the covariance matrix for values of this process at time t=1,2,3,4. Determine its inverse(numerically) and write formula for pdf of corresponding random vector.
What is the 95% confidence interval for the proportion of the population of employees who strongly dislike their current work experience?
question suppose a null hypothesis is that the population mean is greater than or equal to 100. suppose further that
As it is a 2 _ 2 table, try also two-tailed two-sample z test for ð1 = ð2 and verify that z2 is same as your chi-square statistic. Which test do you favour? Describe why?
Compute the autocorrelations of the income series for the first 10 time lags. Is the behavior of the autocorrelations consistent with your choice in part b?
the milton area chamber of commerce wanted to know whether the mean weekly salary of nurses was larger than that of
The professors mentioned, he was determined to find the correct answer and make a correction during a future broadcast. What are the chances of getting 15 days of rain during the next 30 days?
What linear transformation will change sixth grade scores x into new scores xnew= a+bx that have the desired mean and standard deviation?
A college would like to have an entering class of 1200 students. Because not all students who are offered admission accept, the college admits more than 1200 students.
questionabc company produces a line of internal winchester disks for pcs. the drives uses a 3.5 inch platter from an
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