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Assume a logisitc regression model includes a continuous variable like age and a categorical variable like gender and an interaction term for these. If the P value for any of the main effects helpful in determining whether (a) the interaction is significant, (b) whether the main effect should be included in the model? (c) Would your answers to (a) or (b) change if the categorical variable were RACE with three categories?
the american college of cardiologists claims that the mean number of grams of fat in the popular m.i. burger sold at
suppose the probability distribution x number of jobs held during the past year for students at hfcc is as followsx 0
the time between arrivals of large comets on earth is exponentially distributed with a mean of one year.a. what is the
This problem related to Basic Statistics and it discuss about reasons, disadvantages and advantages of choosing qualitative and quantitative methods of data collection
Elizabeth Bailey is the owner and general manager of Princess Brides, which provides a wedding planning service in Southwest Louisiana.
If s(x) = [1-(x/100)]1/2, 0 ≤ x ≤ 100, evaluate a. 17p19 b. 15q36 c. 15|13q36 d. μ(36) e. E[T(36)].
The average patient should pay no more than $250 out-of-pocket? State your hypotheses and decision rule. (b) Is this a close decision?
do one of the following as appropriate a find critical value za2 b find critical value ta2 c state that neither
At the 0.10 level of significance, could the population slope and the population coefficient of cor- relation be zero? Determine the 90% confidence interval for the population slope.
By how much does the standard error of x-bar change if the sample is increased to 100?
What is Peter's median grade point at graduation? What is the shape of the grade point distribution?
In forecasting, MacDonald's Wing® discovered that when it opened its store to the public, it was able to sell 5,000 parachutes in the first year. Given the equation; y=a+bx. Where ‘y' represents the number of sales and ‘a' is the number they start..
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