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1. For the following pairs of points, verify that the least squares regression line is Y^ = 1.8X - 8.5.
X:
5
8
9
7
14
Y:
3
1
6
19
2. Compute the residuals using the results from given Exercise. Verify that if you square and sum the residuals, you get 47, rounding to the nearest integer.
ExerciseFor the following pairs of points, verify that the least squares regression line is Y^= 1.8X - 8.5.
What is an estimate of the proportion defective for the piston manufacturing process when it is control? Construct a p chart for the manufacturing process, assuming each sample has 200 pistons.
What proportion of the customers will still have to wait more than 50 minutes if the variability in service times is the same as before?
Is it reasonable to conclude that the mean weekly salary of school teachers is lower at a .05 level of significance? Why?
The sticker on the car states that it gets 24 mpg on the highway, but measurements show that its highway mileage is actually 32 MPG. Find the values of the absolute and relative errors. Round to the nearest integer as needed
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(a) a white chip on the first draw?
Keith's florist has 18 delivery trucks used mainly to deliver flowers in the SC area. Of these 18 trucks, 5 have brake problems. A sample of 4 trucks is randomly selected. What is the probability that 2 of those defective have defective braked. Ro..
1 a production process for parts made by a supplier have a historical defect rate of 1. a sample of 20 parts is taken.
Determine the probability distribution's missing value. The probability that a tutor will see 0, 1, 2, 3, 4, 5, 6, 7 or 8 students on a given day
Construct a survival curve based on the product-limit estimate and estimate the median survival time
Assuming that these are a random sample of all publicly traded companies, construct a 95% confidence interval for the overall noncompliance proportion.
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