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A. Do the correlation matrix table.
B. Which variable (s) has the largest correlation coeffieient which is not a perfect correlation?
C. Which variable (s) has the smallest correlation coefficient which is not a perfect correlation?
D. Apply the seven steps of hypothesis testing to variables 1 and 5. The level of significance was computed at p < .049 level for the variables.
E. Describe the relationship between variable 6 and varable 4 and variable 6 and varaible 5.
F. Determine the scale of measurement for each variable stated in questions D and E; and describe your answers.
G. Determine the independent and dependent variables for questions D and E; and describe your answers. Please label every of your responses for the assignments
Using log(x1), log(x2) and log(x3) as the predictors, do pair wise scatterplots of all pairs of variables (including the response) and comment (use the pairs function). Do you thin
whats mean by Double Exponential Smoothing
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Risk of Portfolios So far, we have seen the application of standard deviation in the context of risk in single investment. But usually most investors hold portfolios of securi
get a questionnaire that captured age at first marriage
(1) Assume we categorize voters in a city as havingless educationand those havingmoreeducation. Those with less education have less than a college degree; those with more education
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For the following questions we are interested in a comparison of the 16 years education vs. > 16 years. (Recall we did the analysis on the log scale, so these are actual means on t
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