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Make up a multiple regression problem using at least 3 independent variables. Indicate the expected sign (negative or positive) for all slopes and the reasoning behind your hypothesis. For instance if I was going to predict the selling price of a home I might believe the age of the home in years might be a good predictor of the selling price. I could hypothesis that as age increases, selling price would decrease or increase. Whatever I decided, I would explain why I believe the slope would be positive or negative. You do not need to make up data or solve the regression just identify the response variable and all variables considered to help predict this variable even if not used in the final model.
If the probability of getting caught is .02, the probability of getting a ticket is .97 and the probabiity of having to pay the ticket is .94, what is the direct cost of running a red light.
the correlation coefficient r between two variables x and y is -0.9. how much of the variation in the variable y is
you want to compare response rates percents of two regimens. a power of 90 and a two-sided test of size 0.05 are
statistics released by the national highway traffic safety administration and the national safety council show that on
State the values of the coefficient of correlation and coefficient of determination correct to three decimal places
Use (a) as a counterexample to show that pairwise independence does not imply mutual independence.
a correlation coefficient has an associated probability value of .02 then1. the results are important2. the hypothesis
At western university the historical mean of scholarship exam scores for freshman applications is 900. A historical population standard deviation = 180.
The value of online courses. A Pew survey asked college presidents whether or not they believed that online courses offer an equal educational value.
it is well known that the time it takes to be served an order of wings at a downtown bar from the moment of placing the
1 let x paretoy. what is distribution for y ln x 1 ?2 if f x1x2 2exp -x1 - x2 for 0ltx1ltx2ltinfinity.find the
The manager finds a packet of last year's green bean seeds and plants them as a test. Although the packet claims a germination rate of 92%, only 171 of 200.
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