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1. What type of correlation coefficient would you use to examine the relationship between the following variables? Explain why you have selected the correlation coefficients.
A. Reading ability (converted to ordinal rank in class) and number of friends in class (converted to ordinal rank).
B. Political party (Democrat or Republican) and rank in high school graduating class.
C. IQ score and subjective well-being score.
D. Gender (male or female) and score on a test of musical-ability.
Problem 1 . Let X 0 ;X 1 ;X 2 . . . be a Markov chain with state space f1; 2g and transition probabilities given as follows: p 11 = 0:3; p 12 = 0:7; p 21 = 0:5; p 22 = 0:5:
PolyCorp is considering an investment in new plant of $3 million. The project will be financed with a loan of $2,000,000 which will be repaid over the next five years in equal ann
Under this methods the enumerators are appointed and given training. They are provided with schedules containing relevant questions. These enumerators go to respondents with the
Rocco works for an international arms dealer who has just publicly listed. What with the world being how it is these days, there's money to be made on more than just selling the to
Automatic interaction detector (AID) A method or the technique which uses a set of categorical explanatory variables to divide data into the groups which are relatively homoge
find the variance of least square estimator beta hat for general linear regression model when k=2 in matrix form?
A national study found that treating people appropriately for high blood pressure reduced their overall mortality by 20%. Treating people adequately for hypertension has been diffi
explain requisites of good average
The owner of Big Fish supermarket was reviewing some data from a research report on the type of advertisements in the local paper that are most effective. Three types of ads (big
Utility of index
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