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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.
Which measure of association do you use to compare the relationship between these variables? Why?
Classifcation Which of the following are continuous variables and which are discrete?
For the following scores, find the (A) mean, (B) median, (C) sum of squared deviations, (D) variance, and (E) standard deviation:
The number of passengers on the Carnival Sensation during one-week cruises in the Caribbean follows the normal distribution.
Using α = .05 test for significance differences among the population mean wasted time for theses three urban areas. What is the p-value? What is your conclusion?
Determine the probability that sample mean is between 7.5 and 8 minutes?
Determine mean of distribution shown. Give the mean of following probability distribution?
What does null hypothesis for repeated-measures hypothesis test state?
Why is it misleading to draw the conclusion from the test above that long-time exposure to cadmium reduces the vital capacity?
Find out z values for 29 and 34 hours. What percent of garages take between 32 hours and 34 hours to erect?
Mean=63.6 Standard deviation=2.5 If 36 data points are arbitrarily chosen, determine the probability that mean is less than 64.
If an overrun contract was bid at 12 million dollars, what does the least-squares line predict for the cost of overrun (as a percent of bid price)?
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