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Run a regression analysis on the following bivariate set of data with yx y39.6 76.7 as the response variable.
34.8 143.8
61.6 84.6
79.5 -29.1
54.9 137.7
70.7 14.2
49.4 62.3
46.8 36.7
52.9 65.2
60 32.7
66.6 26.4
51.8 69.5
Find the correlation coefficient and report it accurate to three decimal places.
r = _______
What proportion of the variation in y can be explained by the variation in the values of x? Report answer as a percentage accurate to one decimal place. (If the answer is 0.84471, then it would be 84.5%...you would enter 84.5 without the percent symbol.)
r² = ______%
Based on the data, calculate the regression line (each value to three decimal places)
y = _____x + _______
Predict what value (on average) for the response variable will be obtained from a value of 63.7 as the explanatory variable. Use a significance level 5 α=0.05 to assess the strength of the linear correlation.
What is the predicted response value? ______(Report answer accurate to one decimal place.)
What is the probability that all three of these individuals have Alzheimer's disease? What is the probability that at least one of the three people has Alzheimer's disease?
What's the probability that the attorney will be selected for the next case, assuming all registered attorneys are eligible? What is the probability that her partner will be selected in this scenario? What is the probability that the attorney OR her ..
Now that you are familiar with the basic concepts of statistics, what are some examples of when you have seen or heard statistics used inappropriately?
A survey conducted last year by my students in Business Studies found out that the average net income for Business graduates is $74,914. One of my current students queried the results and decided to repeat the research by taking a random sample of..
Using the terminology of this chapter, what name (for example, odds, risk, relative risk) applies to each of the boldface numbers in the following quotes?
Use a 0.05 significance level to test the claim that test scores for women have a larger standard deviation than test scores for men.
q1. what is probability of observing 61325 when rolling fair dice?probabilities for fair dice p1p2p3p4p5p616q2. what is
If the suspect was selected from a group of suspects of which only 5% have ever committed a crime, and the serum indicated that is guilty what the probability that he is innocent?
you have decided to model an input process for a simulation study using an exponential distribution for the arrival
How did George Kennan suggest the US should respond to the growth of communism?
Suppose the probability is equal to P that the weather (rain or no rain) on any arbitrary day is the same as on the preceding day
The engine of the Volvo model S70 T-5 is stated to provide 246 horsepower. To test this claim, believing it is too high, a competitor runs the engine.
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