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Q1) Analyze and comment on following data. Find out expected value for Y given X = 93.1.
Input (X): 2 4 1 5 1.5 6
Output (Y): 18 20 15 20 17 50
a) Unknown parameters
b) Correlation coefficient and coefficient of determination.
Sample of 10 was taken from in-control process. Variance of 4.2 and mean of 23.2 were calculated. Find out 95% confidence interval on mean and standard deviation. Describe any potential problems with this analysis.
The random variable X has which of the following probability distributions and What is the probability that no student wins
The point estimate for the difference between the proportions is:
Determine the probability of fatal accident over lifetime? Describe your reasoning carefully. Suppose independent events. Why might the supposition of independence be violated?
Perform the appropriate test for a difference in mean blood glucose and report the p-value for the two-tailed test of significance, assuming that the variances are equal.
Correlation rule states that if X and Y are correlated, X has caused Y.
The state highway department is studying traffic patterns on one of the busiest highways in the state. As part of the study, the department needs to estimate the average number of vehicles that pass an intersection each day. A random sample of 64 ..
In a binomial distribution n = 8 and π = 0.2. Determine the probabilities of the following events.
Your statistics instructor wants you to determine a confidence interval estimate for the mean test score for the next exam.
What is the probability that a particular driver has two speeding violations.
Is there significant evidence that this production run doesn't meet specifications? Use a 1% level of significance.
Determine the mean and standard deviation of this distribution?
would this prove that they are exceeding their goal, using α = .025?
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