Scatter diagram with two regression lines
If there is a scatter diagram with two regression lines (y from x and x from y) and they both have the same average and the same SD what should the two lines look like when plotted?
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A sample of 12 radon detectors of a certain kind was selected, and each was exposed to 100 pCi/L of radon. The resulting readings were as follows:
A polygraph machine detects lies 65% of the time. But it incorrectly flags the true statement as a lie 15% of the time.
A sample of 12 random detectors of a certain type was selected, and each was exposed to 100 pCi/L of radon. The resulting readings were as follows:
Determine time interval (0, t) on which both funds are equivalent and determine equivalent level force of interest? on the interval period of time.
Find the sample size: We want to be in plus or minus 2 units. We will have a 90% confidence interval and the population standard deviation is 6. What is the estimated sample size?
Solve homogenous equation system: 3x-8y+z=0 and -20x-5y-6z=0 by form aug matrix for solutions of homo system then add solutions from first part above to second part
Determine the probability that this second marble is red? Given that second marble is red, determine the probability that the first marble selected and transferred was also red?
The average math SAT score is 523 with standard deviation of 118. A specific high school claims that its students have unusually high math SAT scores. A random sample of 45 students from this school was selected, and the mean math SAT score was 56
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